Verständlich erklärt auf Basis aktueller wissenschaftlicher Studien. Dieser Artikel hilft Ihnen, informierte Entscheidungen gemeinsam mit Ihrem Zahnarzt zu treffen.
<!--kg-card-begin: html-->
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "MedicalWebPage",
"name": "How reliable are staging and grading in gum disease and what do they mean for my treatment decisions?",
"description": "Explained in simple terms based on the latest scientific research. This article helps you make informed decisions together with your dentist.",
"about": {
"@type": "MedicalCondition",
"name": "How reliable are staging and grading in gum disease and what do they mean for my treatment decisions"
},
"author": {
"@type": "Organization",
"name": "Daily Dental Journal"
},
"publisher": {
"@type": "Organization",
"name": "Daily Dental Journal"
},
"audience": {
"@type": "PeopleAudience",
"audienceType": "Patient"
},
"medicalAudience": {
"@type": "MedicalAudience",
"audienceType": "Patient"
},
"inLanguage": "en",
"datePublished": "2026-03-27"
}
</script>
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "What does \"staging: severity and complexity\" mean for me as a patient?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Stage I-II and Stage III-IV are clinically different. The classification should be understood as a clinical tool, not as an exact measuring instrument."
}
},
{
"@type": "Question",
"name": "What does \"grading: risk of progression\" mean for me as a patient?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Grade C (rapid progression) has a different outlook than Grade A. Uncertainties in grading should be communicated clearly to you."
}
},
{
"@type": "Question",
"name": "What does \"impact on treatment decisions\" mean for me as a patient?",
"acceptedAnswer": {
"@type": "Answer",
"text": "The classification helps determine how intensive your treatment should be and what to expect. The article explains the practical usefulness of the classification system."
}
},
{
"@type": "Question",
"name": "How reliable are these findings?",
"acceptedAnswer": {
"@type": "Answer",
"text": "The scientific foundation is solid, but not all questions have been completely answered yet."
}
},
{
"@type": "Question",
"name": "Should I change my behavior based on this information?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Talk to your dentist before making any changes. This article informs you about the latest research findings, but every situation is unique. Your dentist knows your personal health situation best."
}
}
]
}
</script>
<script type="application/json" data-ddj-article-meta>{"article_id":"ddj_launch_0023-patient-v1-de-2026-03-27","topic_id":"ddj_launch_0023","scope_type":"patientenartikel","article_layer":"patient","review_date":"2026-03-27","evidence_version":"ddj-stage3-authoritative:ddj_launch_0023","policy_version":"ddj-patient-layer-v1","lang":"de"}</script>
<div style="max-width:860px;margin:0 auto;padding:4px 20px 18px 20px;box-sizing:border-box;">
<section style="margin:0 0 16px 0;display:flex;gap:12px;align-items:center;">
<a href="https://www.dailydentaljournal.com/de-wie-zuverlaessig-sind-staging-und-grading-bei-parodontitis-und-was-bedeuten-sie-/" style="color:#475f76;text-decoration:none;border-bottom:1px solid #c9d4df;;font-size:13px;color:#8b857d;padding:4px 10px;border-bottom:none;">Expert Article</a>
<span style="font-size:13px;font-weight:600;color:#171411;padding:4px 10px;border-bottom:2px solid #171411;">Patient Version</span>
</section>
<p style="font-size:13px;color:#8b857d;letter-spacing:0.04em;text-transform:uppercase;margin:0 0 10px 0;">DDJ Patient Article · Updated March 2026 · Easy to understand</p>
<section style="margin:0 0 26px 0;">
<h2 style="font-size:34px;line-height:1.18;margin:0 0 16px 0;color:#171411;">How reliable are staging and grading in gum disease and what do they mean for my treatment decisions?</h2>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;;font-size:18px;color:#5a554e;">Explained in simple terms based on the latest scientific research. This article helps you make informed decisions together with your dentist.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">This article is about an examination method and asks how well it can identify certain problems.</p>
</section>
<section style="margin:0 0 30px 0;">
<div style="background:#e8f5e9;border:1px solid #c8e6c9;border-radius:12px;padding:18px 20px;">
<div style="display:flex;align-items:center;gap:10px;margin:0 0 14px 0;">
<span style="font-size:22px;">✅</span>
<h3 style="font-size:20px;margin:0;color:#2e7d32;">Quick overview</h3>
</div>
<p style="margin:0 0 12px 0;color:#3b362f;font-size:15px;">The key findings at a glance:</p>
<ul style="margin:0;padding-left:22px;color:#3b362f;line-height:1.9;">
<li style="margin:0 0 10px 0;padding-left:4px;">The findings are mixed — there are both positive and critical points.</li>
<li style="margin:0 0 10px 0;padding-left:4px;">The scientific foundation is solid, but not all questions have been completely answered yet.</li>
<li style="margin:0 0 10px 0;padding-left:4px;">The classification should be understood as a clinical tool, not as an exact measuring instrument.</li>
<li style="margin:0 0 10px 0;padding-left:4px;">Staging tells how advanced the disease is. Grading tells how fast it is progressing. Together, they determine your treatment.</li>
</ul>
</div>
</section>
<section style="margin:0 0 32px 0;">
<h3 style="font-size:23px;margin:0 0 14px 0;color:#171411;">Why is this topic important for you?</h3>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">You may have heard that there are different opinions about this topic. That's because science is often more complex than a simple yes-or-no answer would suggest. In this article, we explain what the latest research actually shows — in plain language and without leaving out important details.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The 2018 classification introduced staging and grading. The question is how well this system works in everyday practice and where it has limitations.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Why does this matter to you? Because you can make better decisions when you understand the background. This article is not a replacement for talking with your dentist, but it gives you the knowledge to ask the right questions.</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">In research, the most important questions center on these areas: Staging: severity and complexity, Grading: risk of progression, Impact on treatment decisions. For each of these areas, we explain what the studies show and what it means for your everyday life.</p></section>
<section style="margin:0 0 32px 0;"><article style="margin:0 0 28px 0;">
<h3 style="font-size:23px;margin:0 0 14px 0;color:#171411;">What does "staging: severity and complexity" mean for me as a patient?</h3>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">One of the most common questions patients have about this topic concerns staging: severity and complexity. The answer is not as simple as you might hope — but research now gives clear guidance.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The staging system divides gum disease (periodontal disease) into four stages (I–IV) based on clinical and X-ray findings. The main criteria are the amount of gum recession measured clinically (CAL), bone loss visible on X-rays, and teeth lost due to gum disease. Additional complexity factors — including pocket depth, bone loss in tooth-supporting areas with multiple roots, and tooth movement — determine whether a case is classified into a higher stage (Tonetti et al. 2018). The BSP guideline (West et al. 2021) adopts this system fully and emphasizes that the stage classification determines how intensive your treatment needs to be: Stages I and II usually require non-surgical treatment, while Stages III and IV often need surgical procedures and coordinated care involving multiple specialists.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The European S3 guideline is based on 15 systematic reviews conducted as part of the EFP workshop (Sanz et al. 2020). These reviews addressed specific research questions about each treatment level and enabled evidence-based recommendations. The BSP version adapted by West et al. (2021) used the GRADE-ADOLOPMENT method to tailor the European recommendations for the British healthcare system, involving 75 delegates from 17 stakeholder organizations. This careful approach gives the recommendations a high level of transparency and reliability.</p>
``````html
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Hashim et al. (2025) examined in a systematic review specifically orthodontic treatment in patients with Stage III and IV gum disease (periodontitis). Their analysis of 17 studies shows that integrating orthodontic measures into periodontal therapy can achieve clinically relevant improvements: average gains in clinical attachment level of 4.35–5.96 mm, reductions in probing depth of 3.1–6.3 mm, and radiological bone regeneration with an average vertical bone fill gain of 4.89 mm. These results remained stable at follow-up periods of up to ten years.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The Cochrane review by Liu et al. (2019) examined the link between periodontal therapy and cardiovascular prevention in people with gum disease. Although this study primarily focused on cardiovascular endpoints, it is relevant to the staging system because it shows that severe gum disease (periodontitis) (which corresponds to the higher stages) is associated with systemic health risks. However, the scientific evidence was very low (GRADE: very low certainty) and was based on only two randomized controlled trials with high risk of bias, so no reliable conclusions about the cardiovascular effectiveness of periodontal therapy were possible.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Methodologically, it should be noted that the included studies varied considerably in study design, follow-up period, and population selection. This variability limits the comparability of the results and explains why pooled effect estimates must be interpreted with caution. Nevertheless, the direction of the effect is consistent across different types of studies.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">For applicability to the German-speaking healthcare context, it is additionally important that a substantial portion of the scientific evidence comes from English-speaking or Scandinavian healthcare systems. Differences in reimbursement structures, treatment culture, and patient access can influence effect sizes without invalidating the basic findings.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">For clinical decision-making, the staging system is a practical tool for treatment planning. Stages I and II characterize early to moderate gum disease (periodontitis), in which non-surgical therapy (subgingival instrumentation) is the focus. Stages III and IV mark advanced disease, in which surgical, regenerative, and often interdisciplinary treatment concepts are necessary. The guideline by West et al. (2021) structures these decisions in four treatment levels, which build on one another and are only escalated if response is insufficient.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">In daily practice, the main difficulty lies in distinguishing between neighboring stages — particularly between Stage II and III. Here, complexity factors such as vertical bone defects, furcation involvement Grade II/III, or probing depths greater than 6 mm are decisive. Since these factors are not always clearly present or may vary, there is a diagnostic gray area that requires clinical judgment.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">In everyday practice, this means: The scientific evidence does not provide a one-size-fits-all answer, but rather a framework for individualized decisions. Patient-specific factors such as general health, compliance, individual risk profiles, and treatment preferences must be included in the decision.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">What does this mean for you? The classification must be understood as a clinical tool, not as an exact measuring instrument.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">As a patient, it is important for you to know: No examination method is perfect. Research shows under what conditions a method is most reliable and when you should ask for a second opinion.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Science has examined this topic intensively in recent years. For this article, more than 8 scientific papers were evaluated. It is important to understand: Not every study has the same level of evidence. Large, well-controlled studies provide more reliable results than small observational studies. The overall picture from these different studies is what we present to you here.</p>
<div style="background:#fff3e0;border:1px solid #ffe0b2;border-radius:12px;padding:18px 20px;;margin:14px 0 0 0;">
<p style="margin:0 0 6px 0;font-weight:700;color:#e65100;">💡 What does this mean for you?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">The classification must be understood as a clinical tool, not as an exact measuring instrument. Talk to your dentist at your next visit about what this specifically means for your situation.</p>
</div>
</article>
<article style="margin:0 0 28px 0;">
<h3 style="font-size:23px;margin:0 0 14px 0;color:#171411;">What does "Grading: Progression Risk" mean for me as a patient?</h3>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">When it comes to grading: progression risk, the research situation is clearer than many think. Here you will find out what the current studies really show.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The grading system supplements staging with a prognostic dimension. It differentiates three grades (A, B, C) that estimate the progression risk of gum disease (periodontitis). The primary criterion is radiological bone loss in relation to the patient's age; secondary modifiers are smoking and diabetes mellitus (Tonetti et al. 2018). Grade A corresponds to slow progression, Grade B to moderate progression, and Grade C to rapid progression. The BSP guideline (West et al. 2021) integrates grading into treatment planning by recommending more intensive and closer monitoring concepts for Grade C.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Hashim et al. (2025) report that patients with Stage IV, Grade C gum disease (periodontitis) showed the strongest improvements with combined gum-related and orthodontic therapy, especially when orthodontic intervention began early after regenerative therapy. This suggests that grading is not only prognostic but also relevant for choosing the timing of therapy. However, these results are based on a limited number of heterogeneous studies, and prospective comparative studies stratifying outcomes by grade are still lacking.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The Cochrane review by Liu et al. (2019) indirectly illustrates the relevance of grading for systemic comorbidities. The included primary prevention study examined people with gum disease and metabolic syndrome — a patient group that would typically be assigned Grade B or C under the grading system, since diabetes and obesity are considered risk modifiers. However, the scientific evidence was insufficient to draw causal conclusions.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">A key problem with grading concerns the radiological determination of progression rate. It requires longitudinal X-rays over several years, which are often not available in practice. Without comparison images, the progression rate can only be estimated indirectly through the ratio of bone loss to age, which can lead to systematic misjudgments in older patients with cumulative bone loss. The guideline by West et al. (2021) does not explicitly address this problem, and the included reviews also offer no solution to this diagnostic dilemma.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Methodologically, it should be noted that the included studies varied considerably in study design, follow-up period, and population selection. This variability limits the comparability of the results and explains why pooled effect estimates must be interpreted with caution. Nevertheless, the direction of the effect is consistent across different types of studies.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">For applicability to the German-speaking healthcare context, it is additionally important that a substantial portion of the scientific evidence comes from English-speaking or Scandinavian healthcare systems. Differences in reimbursement structures, treatment culture, and patient access can influence effect sizes without invalidating the basic findings.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Grading influences clinical decisions on two levels: First, it determines therapy intensity — Grade C patients receive closer follow-up intervals and more frequent adjunctive systemic antibiotics. Second, it modulates prognostic assessment, for example when deciding whether a severely compromised tooth should be retained or extracted.</p>
``````html
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">In everyday practice, the most common challenge is distinguishing between Grade A and B in patients without clear risk factors and without previous X-ray records. In these cases, the standard Grade B is assigned, which can mean that a significant number of patients receive an unclear medium risk assessment. This weakens the system's ability to discriminate between different risk levels.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">In daily practice, this means: The scientific evidence does not provide a one-size-fits-all answer, but rather a framework for individualized decisions. Patient-specific factors such as overall health, compliance, individual risk profiles, and treatment preferences must be considered in the decision.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">What does this mean for you? Uncertainties in grading must be communicated clearly.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">As a patient, it's important to know: No examination method is perfect. Research shows under what conditions a method is most reliable and when you should ask for a second opinion.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">How do scientists reach these conclusions? They don't just evaluate a single study, but look at many research projects at the same time. This allows them to determine whether a result was coincidental or whether it is confirmed repeatedly. In this case, the findings are based on 8 scientific papers from different countries and research groups.</p>
<div style="background:#fff3e0;border:1px solid #ffe0b2;border-radius:12px;padding:18px 20px;;margin:14px 0 0 0;">
<p style="margin:0 0 6px 0;font-weight:700;color:#e65100;">💡 What does this mean for you?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">Uncertainties in grading must be communicated clearly. Talk to your dentist at your next visit about what this specifically means for your situation.</p>
</div>
</article>
<article style="margin:0 0 28px 0;">
<h3 style="font-size:23px;margin:0 0 14px 0;color:#171411;">What does "impact on treatment decisions" mean for me as a patient?</h3>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">One thing that often causes uncertainty is the impact on treatment decisions. But science has made important progress in recent years.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The BSP guideline (West et al. 2021) defines a four-step treatment pathway that is directly linked to the staging system. Step 1 includes behavior change, risk factor control, and professional mechanical plaque removal. Step 2 includes below-the-gum-line cleaning, which is recommended for all stages, and may be enhanced with additional measures. Step 3 includes surgical interventions (access flap, resection procedures, regenerative surgery), which are primarily indicated for Stage III and IV with remaining deep pockets after Step 2. Step 4 is lifelong supportive gum disease therapy.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The 15 systematic reviews underlying the EFP guideline provide the scientific basis for each treatment step. For below-the-gum-line cleaning (Step 2), scientific evidence consistently shows clinically relevant improvements in pocket depth and attachment level (Suvan et al. 2020). For additional systemic antibiotics in Step 2, Teughels et al. (2020) found a statistically significant but clinically moderate additional benefit, with the guideline limiting their use to young patients with Grade C and generalized Stage III to minimize resistance problems.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Hashim et al. (2025) expand the view to interdisciplinary treatment approaches and show that orthodontic measures for Stage III and IV after successful gum disease pretreatment and regenerative therapy can make clinical sense. The authors emphasize that reduced orthodontic forces and close interdisciplinary coordination are prerequisites for safe results. Long-term follow-ups of up to ten years documented stable results, although study quality varied and no randomized controlled trials were available.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">For overall health effects of gum disease therapy, the Cochrane review by Liu et al. (2019) provides no reliable scientific evidence. Based on only two randomized controlled trials with high risk of bias and very low quality of evidence (GRADE), neither a benefit nor harm of gum disease therapy regarding cardiovascular outcomes could be established. This underscores that the primary reason for gum disease treatment lies in gum disease outcomes, and while overall health benefits are biologically plausible, they are not proven by intervention studies.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The guideline explicitly emphasizes that treatment planning depends not only on the stage, but also on how well a patient responds to the previous step. Automatically assigning a treatment based on stage alone is not intended; instead, the condition is reassessed after each step and treatment is adjusted if the response is insufficient. This step-care model reflects clinical reality better than rigid algorithms.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Methodologically, it should be noted that the included studies vary considerably in study design, follow-up period, and population selection. This variation limits the comparability of results and explains why combined effect estimates must be interpreted with caution. Nevertheless, the direction of effect is consistent across different study types.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">For application to German-speaking healthcare settings, it is also relevant that a significant portion of scientific evidence comes from English-speaking or Scandinavian healthcare systems. Differences in payment structures, treatment culture, and patient access can affect effect sizes without invalidating the main conclusions.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The stepwise treatment pathway provides dentists with a clear decision structure. The most important clinical implication is that surgical measures should only be performed after completion and reassessment of non-surgical therapy — unless specific complexity factors (such as deep vertical bone defects or Grade III furcation involvement) require earlier surgical intervention.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">For interdisciplinary collaboration, scientific evidence from Hashim et al. (2025) shows that orthodontic treatment in advanced gum disease (periodontitis) is not contraindicated, but requires strict conditions: stable gum disease after pretreatment, reduced forces, and frequent gum disease monitoring during the orthodontic phase.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">In daily practice, this means: Scientific evidence does not provide a one-size-fits-all answer, but rather a framework for individualized decisions. Patient-specific factors such as overall health, compliance, individual risk profiles, and treatment preferences must be considered in the decision.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">What does this mean for you? The article must put the benefits of classification into practical perspective.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">As a patient, it's important to know: No examination method is perfect. Research shows under what conditions a method is most reliable and when you should ask for a second opinion.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">What makes these results reliable? In medical research, the following applies: the more independent studies that reach the same conclusion, the more certain the statement. The type of study and number of participants also play an important role. Large controlled studies with many participants provide more reliable results than small surveys.</p>
<div style="background:#fff3e0;border:1px solid #ffe0b2;border-radius:12px;padding:18px 20px;;margin:14px 0 0 0;">
<p style="margin:0 0 6px 0;font-weight:700;color:#e65100;">💡 What does this mean for you?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">The article must put the benefits of classification into practical perspective. Talk to your dentist at your next visit about what this specifically means for your situation.</p>
</div>
</article></section>
``````html
<section style="margin:0 0 32px 0;">
<h3 style="font-size:23px;margin:0 0 14px 0;color:#171411;">Frequently Asked Questions</h3>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Here we answer the questions that patients most frequently ask about this topic:</p>
<div style="background:#f3f0eb;border:1px solid #e5dfd4;border-radius:10px;padding:16px 18px;margin:0 0 14px 0;">
<p style="margin:0 0 8px 0;font-weight:700;color:#171411;font-size:16px;">❓ What does "Staging: Severity and Complexity" mean for me as a patient?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">Stage I-II and Stage III-IV differ clinically significantly. The classification should be understood as a clinical tool, not as an exact measuring instrument.</p>
</div>
<div style="background:#f3f0eb;border:1px solid #e5dfd4;border-radius:10px;padding:16px 18px;margin:0 0 14px 0;">
<p style="margin:0 0 8px 0;font-weight:700;color:#171411;font-size:16px;">❓ What does "Grading: Risk of Progression" mean for me as a patient?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">Grade C (rapid progression) has a different outlook than Grade A. Uncertainties in grading must be communicated transparently.</p>
</div>
<div style="background:#f3f0eb;border:1px solid #e5dfd4;border-radius:10px;padding:16px 18px;margin:0 0 14px 0;">
<p style="margin:0 0 8px 0;font-weight:700;color:#171411;font-size:16px;">❓ What does "Impact on Treatment Decisions" mean for me as a patient?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">The classification helps in deciding on treatment intensity and outlook. The article must put the usefulness of the classification into practical perspective.</p>
</div>
<div style="background:#f3f0eb;border:1px solid #e5dfd4;border-radius:10px;padding:16px 18px;margin:0 0 14px 0;">
<p style="margin:0 0 8px 0;font-weight:700;color:#171411;font-size:16px;">❓ How reliable are the results?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">The scientific foundation is solid, but not all questions have been conclusively answered.</p>
</div>
<div style="background:#f3f0eb;border:1px solid #e5dfd4;border-radius:10px;padding:16px 18px;margin:0 0 14px 0;">
<p style="margin:0 0 8px 0;font-weight:700;color:#171411;font-size:16px;">❓ Should I change my behavior based on this information?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">Talk to your dentist before making any changes. This article informs you about the current state of research, but every situation is individual. Your dentist knows your personal health situation best.</p>
</div>
<div style="background:#f3f0eb;border:1px solid #e5dfd4;border-radius:10px;padding:16px 18px;margin:0 0 14px 0;">
<p style="margin:0 0 8px 0;font-weight:700;color:#171411;font-size:16px;">❓ Where can I learn more?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">You can find the detailed professional version of this article with all study details on Daily Dental Journal. For personal advice, contact your dentist.</p>
</div>
<div style="background:#f3f0eb;border:1px solid #e5dfd4;border-radius:10px;padding:16px 18px;margin:0 0 14px 0;">
<p style="margin:0 0 8px 0;font-weight:700;color:#171411;font-size:16px;">❓ What is the main message of this article?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">Staging and grading structure periodontal diagnosis and treatment planning.</p>
</div>
<div style="background:#f3f0eb;border:1px solid #e5dfd4;border-radius:10px;padding:16px 18px;margin:0 0 14px 0;">
<p style="margin:0 0 8px 0;font-weight:700;color:#171411;font-size:16px;">❓ Why are there different opinions on this topic?</p>
<p style="margin:0;color:#3b362f;line-height:1.82;">The conflict lies between the systematic requirements of the new classification and clinical reality, where many practitioners are still accustomed to the old system.</p>
</div></section>
<section style="margin:0 0 32px 0;">
<div style="background:#fff8e1;border:1px solid #fff176;border-radius:12px;padding:18px 20px;">
<h3 style="font-size:20px;margin:0 0 14px 0;color:#f57f17;">🦷 When Should You See Your Dentist?</h3>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Schedule an appointment with your dentist if:</p>
<ul style="margin:0;padding-left:22px;color:#3b362f;line-height:1.9;">
<li style="margin:0 0 8px 0;">You notice something unusual and would like to have it checked</li>
<li style="margin:0 0 8px 0;">You would like to get a second opinion on a diagnosis</li>
<li style="margin:0 0 8px 0;">You are unsure whether a recommended examination is necessary</li>
<li style="margin:0 0 8px 0;">You have questions about topics discussed in this article</li>
<li style="margin:0 0 8px 0;">Your last dentist visit was more than a year ago</li>
</ul>
<p style="margin:0;color:#3b362f;line-height:1.82;"><strong>Important:</strong> This article does not replace a visit to your dentist. It helps you approach the conversation informed.</p>
</div></section>
<section style="margin:0 0 32px 0;">
<h3 style="font-size:23px;margin:0 0 14px 0;color:#171411;">What You Can Do Yourself</h3>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">Here are concrete steps you can take as a patient:</p>
<div style="border:1px solid #e5dfd4;border-radius:12px;padding:16px 18px;background:#faf8f3;overflow:hidden;word-wrap:break-word;;margin:0 0 14px 0;">
<h4 style="font-size:17px;margin:0 0 8px 0;color:#171411;">✨ Attend Regular Check-ups</h4>
<p style="margin:0;color:#3b362f;line-height:1.82;">Go to your recommended check-up appointments. Early detection is crucial for many dental problems.</p>
</div>
<div style="border:1px solid #e5dfd4;border-radius:12px;padding:16px 18px;background:#faf8f3;overflow:hidden;word-wrap:break-word;;margin:0 0 14px 0;">
<h4 style="font-size:17px;margin:0 0 8px 0;color:#171411;">✨ Watch for Changes</h4>
<p style="margin:0;color:#3b362f;line-height:1.82;">Pay attention to changes in your mouth — in your gums, teeth, or mucous membranes. Report any unusual findings to your dentist.</p>
</div>
<div style="border:1px solid #e5dfd4;border-radius:12px;padding:16px 18px;background:#faf8f3;overflow:hidden;word-wrap:break-word;;margin:0 0 14px 0;">
<h4 style="font-size:17px;margin:0 0 8px 0;color:#171411;">✨ Ask Questions</h4>
<p style="margin:0;color:#3b362f;line-height:1.82;">If your dentist recommends an examination, ask: What will be examined? Why is this appropriate in my case? What results are possible?</p>
</div>
<div style="border:1px solid #e5dfd4;border-radius:12px;padding:16px 18px;background:#faf8f3;overflow:hidden;word-wrap:break-word;;margin:0 0 14px 0;">
<h4 style="font-size:17px;margin:0 0 8px 0;color:#171411;">✨ Staging: Severity and Complexity</h4>
<p style="margin:0;color:#3b362f;line-height:1.82;">The classification should be understood as a clinical tool, not as an exact measuring instrument. Discuss this at your next appointment.</p>
</div>
<div style="border:1px solid #e5dfd4;border-radius:12px;padding:16px 18px;background:#faf8f3;overflow:hidden;word-wrap:break-word;;margin:0 0 14px 0;">
<h4 style="font-size:17px;margin:0 0 8px 0;color:#171411;">✨ Grading: Risk of Progression</h4>
<p style="margin:0;color:#3b362f;line-height:1.82;">Uncertainties in grading must be communicated transparently. Discuss this at your next appointment.</p>
</div></section>
<section style="margin:0 0 32px 0;">
<div style="background:#e3f2fd;border:2px solid #1976d2;border-radius:14px;padding:22px 22px 18px 22px;">
<div style="display:flex;align-items:center;gap:10px;margin:0 0 12px 0;">
<span style="font-size:22px;">📌</span>
<h3 style="font-size:20px;margin:0;color:#1565c0;">The Most Important Thing in One Sentence</h3>
</div>
<p style="font-size:18px;line-height:1.7;color:#1a237e;margin:0;font-weight:500;">Staging tells how advanced the disease is. Grading tells how quickly it's progressing. Together they determine the treatment.</p>
</div></section>
<section style="margin:42px 0 24px 0;border-top:1px solid #e5dfd4;padding-top:26px;">
<p style="margin:0 0 10px 0;font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:#8b857d;">Continuing Education</p>
<p style="font-size:19px;margin:0 0 8px 0;color:#171411;">DDJ Continuing Education</p>
</section>
``````html
<section class="ddj-cme-module"
data-topic-id="ddj_launch_0023-patient"
data-module-title="Wissenscheck: Wie zuverlässig sind Staging und Grading bei Parodontitis un"
data-passing-score="7"
data-max-attempts="3">
<div class="ddj-cme-module__header">
<p class="ddj-cme-module__eyebrow">Learning Module</p>
<h2 class="ddj-cme-module__title">Knowledge Check: How reliable are staging and grading for gum disease?</h2>
<p class="ddj-cme-module__summary">Test your knowledge: How reliable are staging and grading for gum disease and what do they mean for your dental care decisions?</p>
</div>
<div class="ddj-cme-module__meta-grid">
<div class="ddj-cme-module__meta-card"><span class="ddj-cme-module__meta-label">Points</span><strong class="ddj-cme-module__meta-value">10 Questions</strong></div>
<div class="ddj-cme-module__meta-card"><span class="ddj-cme-module__meta-label">DDJ Credits</span><strong class="ddj-cme-module__meta-value">Knowledge Check</strong></div>
<div class="ddj-cme-module__meta-card"><span class="ddj-cme-module__meta-label">Time to Complete</span><strong class="ddj-cme-module__meta-value">10 minutes</strong></div>
<div class="ddj-cme-module__meta-card"><span class="ddj-cme-module__meta-label">Quiz</span><strong class="ddj-cme-module__meta-value">10 Questions</strong></div>
<div class="ddj-cme-module__meta-card"><span class="ddj-cme-module__meta-label">Passing Score</span><strong class="ddj-cme-module__meta-value">7/10</strong></div>
<div class="ddj-cme-module__meta-card"><span class="ddj-cme-module__meta-label">Attempts</span><strong class="ddj-cme-module__meta-value">3 maximum</strong></div>
<div class="ddj-cme-module__meta-card"><span class="ddj-cme-module__meta-label">Reviewer</span><strong class="ddj-cme-module__meta-value">DDJ Patient Editorial Team</strong></div>
<div class="ddj-cme-module__meta-card"><span class="ddj-cme-module__meta-label">Evidence Version</span><strong class="ddj-cme-module__meta-value">ddj_launch_0023-patient-v1-2026</strong></div>
</div>
<div class="ddj-cme-module__info-grid">
<div class="ddj-cme-module__panel">
<p class="ddj-cme-module__panel-eyebrow">Learning Goals</p>
<h3 class="ddj-cme-module__panel-title">What you should understand after this module</h3>
<ol class="ddj-cme-module__list">
<li>You understand the key research findings on this topic.</li>
<li>You know the limitations of current research evidence.</li>
<li>You know what questions you can ask your dentist.</li>
<li>You understand what "staging: severity and complexity" means for your dental health.</li>
<li>You understand what "grading: progression risk" means for your dental health.</li>
</ol>
</div>
<div class="ddj-cme-module__panel">
<p class="ddj-cme-module__panel-eyebrow">Conflicts of Interest</p>
<h3 class="ddj-cme-module__panel-title">Transparency first</h3>
<ul class="ddj-cme-module__list">
<li>Author Information: DDJ Editorial Expert Text, no sponsor mentioned in article.</li>
<li>Reviewer: Internal DDJ Editorial Team for pilot operation.</li>
<li>Limitation: Pilot module without official dental board recognition; points serve as DDJ test logic.</li>
</ul>
</div>
</div>
<div class="ddj-cme-module__status">
<p>Learning Status: <strong>3 attempts remaining</strong>. You need 7 out of 10 correct answers to pass.</p>
</div>
<form class="ddj-cme-module__quiz">
<div class="ddj-cme-module__quiz-header">
<p class="ddj-cme-module__panel-eyebrow">Quiz</p>
<h3 class="ddj-cme-module__panel-title">Interactive Check</h3>
<div class="ddj-cme-module__quiz-progress">
<div class="ddj-cme-module__quiz-progress-meta">
<span class="ddj-cme-module__progress">Progress</span>
<span>0 / 10 answered</span>
</div>
<div class="ddj-cme-module__quiz-progress-track" aria-hidden="true">
<span class="ddj-cme-module__quiz-progress-fill" style="width:0%"></span>
</div>
</div>
</div>
<div class="ddj-cme-module__questions">
<div class="ddj-cme-question"
id="ddj_launch_0023-patient-q1"
data-correct="A"
data-explanation-correct="The classification should be understood as a clinical tool, not as a precise measurement instrument."
data-explanation-incorrect="Research shows: Stage I-II and Stage III-IV differ in clinically relevant ways.">
<div class="ddj-cme-question__header">
<span class="ddj-cme-question__number">01</span>
<h4 class="ddj-cme-question__title">What does current research say about "staging: severity and complexity"?</h4>
</div>
<div class="ddj-cme-question__options">
<label class="ddj-cme-question__option" data-value="A">Stage I-II and Stage III-IV differ in clinically relevant ways.</label>
<label class="ddj-cme-question__option" data-value="B">There is no scientific research on this topic at all.</label>
<label class="ddj-cme-question__option" data-value="C">All studies completely contradict each other.</label>
<label class="ddj-cme-question__option" data-value="D">This topic has no importance for dental health.</label>
</div>
<div class="ddj-cme-question__feedback" style="display:none;"></div>
</div>
<div class="ddj-cme-question"
id="ddj_launch_0023-patient-q2"
data-correct="A"
data-explanation-correct="Correct! Individual advice from your dentist is the best way forward."
data-explanation-incorrect="In fact, this is important: The classification should be understood as a clinical tool, not as a precise measurement instrument.">
<div class="ddj-cme-question__header">
<span class="ddj-cme-question__number">02</span>
<h4 class="ddj-cme-question__title">What should you pay special attention to with "staging: severity and complexity"?</h4>
</div>
<div class="ddj-cme-question__options">
<label class="ddj-cme-question__option" data-value="A">The classification should be understood as a clinical tool, not as a precise measurement instrument.</label>
<label class="ddj-cme-question__option" data-value="B">You don't need to worry about this.</label>
<label class="ddj-cme-question__option" data-value="C">This topic only concerns dentists, not patients.</label>
<label class="ddj-cme-question__option" data-value="D">Research provides no guidance on this.</label>
</div>
<div class="ddj-cme-question__feedback" style="display:none;"></div>
</div>
<div class="ddj-cme-question"
id="ddj_launch_0023-patient-q3"
data-correct="A"
data-explanation-correct="Grading uncertainties must be communicated transparently."
data-explanation-incorrect="Research shows: Grade C (rapid progression) has a different outlook than Grade A.">
<div class="ddj-cme-question__header">
<span class="ddj-cme-question__number">03</span>
<h4 class="ddj-cme-question__title">What does current research say about "grading: progression risk"?</h4>
</div>
<div class="ddj-cme-question__options">
<label class="ddj-cme-question__option" data-value="A">Grade C (rapid progression) has a different outlook than Grade A.</label>
<label class="ddj-cme-question__option" data-value="B">There is no scientific research on this topic at all.</label>
<label class="ddj-cme-question__option" data-value="C">All studies completely contradict each other.</label>
<label class="ddj-cme-question__option" data-value="D">This topic has no importance for dental health.</label>
</div>
<div class="ddj-cme-question__feedback" style="display:none;"></div>
</div>
<div class="ddj-cme-question"
id="ddj_launch_0023-patient-q4"
data-correct="A"
data-explanation-correct="Correct! Individual advice from your dentist is the best way forward."
data-explanation-incorrect="In fact, this is important: Grading uncertainties must be communicated transparently.">
<div class="ddj-cme-question__header">
<span class="ddj-cme-question__number">04</span>
<h4 class="ddj-cme-question__title">What should you pay special attention to with "grading: progression risk"?</h4>
</div>
<div class="ddj-cme-question__options">
<label class="ddj-cme-question__option" data-value="A">Grading uncertainties must be communicated transparently.</label>
<label class="ddj-cme-question__option" data-value="B">You don't need to worry about this.</label>
<label class="ddj-cme-question__option" data-value="C">This topic only concerns dentists, not patients.</label>
<label class="ddj-cme-question__option" data-value="D">Research provides no guidance on this.</label>
</div>
<div class="ddj-cme-question__feedback" style="display:none;"></div>
</div>
</div>
</form>
</section>
``````html
<div class="ddj-cme-question"
id="ddj_launch_0023-patient-q5"
data-correct="A"
data-explanation-correct="The article must put the usefulness of the classification in practical terms."
data-explanation-incorrect="Research shows: The classification helps with decisions about treatment intensity and prognosis.">
<div class="ddj-cme-question__header">
<span class="ddj-cme-question__number">05</span>
<h4 class="ddj-cme-question__title">What does current research say about "impact on treatment decisions"?</h4>
</div>
<div class="ddj-cme-question__options">
<label class="ddj-cme-question__option" data-value="A">The classification helps with decisions about treatment intensity and prognosis.</label>
<label class="ddj-cme-question__option" data-value="B">There are no scientific studies on this topic.</label>
<label class="ddj-cme-question__option" data-value="C">All studies completely contradict each other.</label>
<label class="ddj-cme-question__option" data-value="D">This topic has no significance for dental health.</label>
</div>
<div class="ddj-cme-question__feedback" style="display:none;"></div>
</div>
<div class="ddj-cme-question"
id="ddj_launch_0023-patient-q6"
data-correct="A"
data-explanation-correct="Correct! Individual advice from your dentist is the best way."
data-explanation-incorrect="Actually, it's important: The article must put the usefulness of the classification in practical terms.">
<div class="ddj-cme-question__header">
<span class="ddj-cme-question__number">06</span>
<h4 class="ddj-cme-question__title">What should you pay special attention to regarding "impact on treatment decisions"?</h4>
</div>
<div class="ddj-cme-question__options">
<label class="ddj-cme-question__option" data-value="A">The article must put the usefulness of the classification in practical terms.</label>
<label class="ddj-cme-question__option" data-value="B">You don't need to think about this.</label>
<label class="ddj-cme-question__option" data-value="C">This topic only concerns dentists, not patients.</label>
<label class="ddj-cme-question__option" data-value="D">Research provides no guidance on this.</label>
</div>
<div class="ddj-cme-question__feedback" style="display:none;"></div>
</div>
<div class="ddj-cme-question"
id="ddj_launch_0023-patient-q7"
data-correct="A"
data-explanation-correct="Exactly right! This is the most important finding from current research."
data-explanation-incorrect="Not quite — research shows a more detailed picture.">
<div class="ddj-cme-question__header">
<span class="ddj-cme-question__number">07</span>
<h4 class="ddj-cme-question__title">Which statement best summarizes the main message of this article?</h4>
</div>
<div class="ddj-cme-question__options">
<label class="ddj-cme-question__option" data-value="A">Staging tells how far the disease has progressed. Grading tells how fast it's moving. Together, they determine treatment.</label>
<label class="ddj-cme-question__option" data-value="B">There is no reliable knowledge about this topic.</label>
<label class="ddj-cme-question__option" data-value="C">All treatments are equally effective.</label>
<label class="ddj-cme-question__option" data-value="D">Patients must inform themselves and don't need a dentist.</label>
</div>
<div class="ddj-cme-question__feedback" style="display:none;"></div>
</div>
<div class="ddj-cme-question"
id="ddj_launch_0023-patient-q8"
data-correct="A"
data-explanation-correct="Correct! A solid body of research means that several independent studies show similar results."
data-explanation-incorrect="A solid body of research means that different studies independently arrive at similar results.">
<div class="ddj-cme-question__header">
<span class="ddj-cme-question__number">08</span>
<h4 class="ddj-cme-question__title">What does it mean when scientists say the body of research is "solid"?</h4>
</div>
<div class="ddj-cme-question__options">
<label class="ddj-cme-question__option" data-value="A">There are several well-conducted studies that reach similar conclusions.</label>
<label class="ddj-cme-question__option" data-value="B">There is only one single study on this topic.</label>
<label class="ddj-cme-question__option" data-value="C">Scientists disagree about the results.</label>
<label class="ddj-cme-question__option" data-value="D">Research is complete and no new studies will be conducted.</label>
</div>
<div class="ddj-cme-question__feedback" style="display:none;"></div>
</div>
<div class="ddj-cme-question"
id="ddj_launch_0023-patient-q9"
data-correct="A"
data-explanation-correct="Exactly! General research findings must always be applied to your personal situation."
data-explanation-incorrect="Your dentist can best apply general research findings to your personal situation.">
<div class="ddj-cme-question__header">
<span class="ddj-cme-question__number">09</span>
<h4 class="ddj-cme-question__title">Why is it important to discuss research findings with your dentist?</h4>
</div>
<div class="ddj-cme-question__options">
<label class="ddj-cme-question__option" data-value="A">Because every situation is individual and your dentist knows your personal health.</label>
<label class="ddj-cme-question__option" data-value="B">Because research findings are fundamentally wrong.</label>
<label class="ddj-cme-question__option" data-value="C">Because only dentists can read studies.</label>
<label class="ddj-cme-question__option" data-value="D">Because patients shouldn't make their own decisions.</label>
</div>
<div class="ddj-cme-question__feedback" style="display:none;"></div>
</div>
<div class="ddj-cme-question"
id="ddj_launch_0023-patient-q10"
data-correct="A"
data-explanation-correct="Correct!"
data-explanation-incorrect="Unfortunately that's not correct.">
<div class="ddj-cme-question__header">
<span class="ddj-cme-question__number">10</span>
<h4 class="ddj-cme-question__title">Science Check 10: [To be completed editorially]</h4>
</div>
<div class="ddj-cme-question__options">
<label class="ddj-cme-question__option" data-value="A">Answer A</label>
<label class="ddj-cme-question__option" data-value="B">Answer B</label>
<label class="ddj-cme-question__option" data-value="C">Answer C</label>
<label class="ddj-cme-question__option" data-value="D">Answer D</label>
</div>
<div class="ddj-cme-question__feedback" style="display:none;"></div>
</div>
<div class="ddj-cme-module__actions">
<button type="button" class="ddj-cme-module__button ddj-cme-module__button--primary">Score Quiz</button>
<button type="button" class="ddj-cme-module__button ddj-cme-module__button--secondary">Reset Answers</button>
</div>
<div class="ddj-cme-module__result" style="display:none;">
<h3 class="ddj-cme-module__panel-title">Result</h3>
<div class="ddj-cme-module__result-copy"></div>
<button type="button" class="ddj-cme-module__button ddj-cme-module__button--primary">Download Certificate</button>
</div>
<style>
.ddj-cme-module{max-width:860px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:#3b362f}
.ddj-cme-module__header{margin-bottom:24px}
.ddj-cme-module__eyebrow{font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:#8b857d;margin:0 0 8px}
.ddj-cme-module__title{font-size:23px;color:#171411;margin:0 0 8px;line-height:1.3}
.ddj-cme-module__summary{font-size:16px;color:#5a554e;margin:0;line-height:1.6}
.ddj-cme-module__meta-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin-bottom:24px}
.ddj-cme-module__meta-card{background:#faf8f3;border-radius:8px;padding:12px 14px}
.ddj-cme-module__meta-label{display:block;font-size:11px;letter-spacing:0.06em;text-transform:uppercase;color:#8b857d;margin-bottom:4px}
.ddj-cme-module__meta-value{font-size:15px;color:#171411}
.ddj-cme-module__info-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:24px}
@media(max-width:640px){.ddj-cme-module__info-grid{grid-template-columns:1fr}}
.ddj-cme-module__panel{background:#faf8f3;border-radius:14px;padding:20px 22px}
.ddj-cme-module__panel-eyebrow{font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:#8b857d;margin:0 0 6px}
.ddj-cme-module__panel-title{font-size:17px;color:#171411;margin:0 0 12px}
.ddj-cme-module__list{margin:0;padding-left:20px;font-size:15px;line-height:1.65;color:#3b362f}
.ddj-cme-module__list li{margin-bottom:6px}
.ddj-cme-module__status{background:#faf8f3;border-radius:8px;padding:12px 16px;margin-bottom:24px;font-size:14px;color:#5a554e}
.ddj-cme-module__quiz-header{margin-bottom:18px}
.ddj-cme-module__quiz-progress{margin-top:10px}
.ddj-cme-module__quiz-progress-meta{display:flex;justify-content:space-between;font-size:13px;color:#8b857d;margin-bottom:6px}
.ddj-cme-module__qui
</style>
``````html
<style>
z-progress-track{height:4px;background:#e5dfd4;border-radius:2px;overflow:hidden}
.ddj-cme-module__quiz-progress-fill{display:block;height:100%;background:#475f76;border-radius:2px;transition:width 0.3s ease}
.ddj-cme-question{margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid #e5dfd4}
.ddj-cme-question:last-child{border-bottom:none}
.ddj-cme-question__header{display:flex;gap:12px;align-items:baseline;margin-bottom:14px}
.ddj-cme-question__number{font-size:13px;font-weight:600;color:#8b857d;min-width:24px}
.ddj-cme-question__title{font-size:16px;font-weight:500;color:#171411;margin:0;line-height:1.5}
.ddj-cme-question__options{display:flex;flex-direction:column;gap:8px;margin-left:36px}
.ddj-cme-question__option{display:block;padding:10px 14px;background:#faf8f3;border:1.5px solid #e5dfd4;border-radius:8px;cursor:pointer;font-size:15px;line-height:1.5;color:#3b362f;transition:all 0.15s ease}
.ddj-cme-question__option:hover{border-color:#475f76;background:#f5f2ed}
.ddj-cme-question__option.selected{border-color:#475f76;background:#eef2f6;font-weight:500}
.ddj-cme-question__option.correct{border-color:#3a7d44;background:#edf7ef;color:#2a5a31}
.ddj-cme-question__option.incorrect{border-color:#c0392b;background:#fdf0ee;color:#8b2920}
.ddj-cme-question__option.disabled{pointer-events:none;opacity:0.7}
.ddj-cme-question__feedback{margin:10px 0 0 36px;padding:10px 14px;border-radius:8px;font-size:14px;line-height:1.55}
.ddj-cme-question__feedback.correct{background:#edf7ef;color:#2a5a31;border:1px solid #c6e6cc}
.ddj-cme-question__feedback.incorrect{background:#fdf0ee;color:#8b2920;border:1px solid #f0ccc7}
.ddj-cme-module__actions{display:flex;gap:12px;margin-top:24px}
.ddj-cme-module__button{padding:12px 24px;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;border:none;transition:all 0.15s ease}
.ddj-cme-module__button--primary{background:#475f76;color:#fff}
.ddj-cme-module__button--primary:hover{background:#3a4f63}
.ddj-cme-module__button--primary:disabled{background:#b0aaa3;cursor:not-allowed}
.ddj-cme-module__button--secondary{background:#faf8f3;color:#5a554e;border:1.5px solid #e5dfd4}
.ddj-cme-module__button--secondary:hover{background:#f0ece4}
.ddj-cme-module__result{margin-top:24px;padding:20px;background:#faf8f3;border-radius:14px}
.ddj-cme-module__result-copy{font-size:16px;line-height:1.6;margin-bottom:16px}
</style>
<script>
(function(){
var mod = document.querySelector('.ddj-cme-module');
if (!mod) return;
var questions = mod.querySelectorAll('.ddj-cme-question');
var answers = {};
var evaluated = false;
var passingScore = parseInt(mod.dataset.passingScore) || 7;
var maxAttempts = parseInt(mod.dataset.maxAttempts) || 3;
var attempts = 0;
var progressFill = mod.querySelector('.ddj-cme-module__quiz-progress-fill');
var progressText = mod.querySelector('.ddj-cme-module__quiz-progress-meta');
var btnEval = mod.querySelector('.ddj-cme-module__button--primary');
var btnReset = mod.querySelector('.ddj-cme-module__button--secondary');
var resultBox = mod.querySelector('.ddj-cme-module__result');
var resultCopy = mod.querySelector('.ddj-cme-module__result-copy');
function updateProgress() {
var count = Object.keys(answers).length;
if (progressFill) progressFill.style.width = (count / questions.length * 100) + '%';
if (progressText) {
var spans = progressText.querySelectorAll('span');
if (spans.length > 1) spans[1].textContent = count + ' / ' + questions.length + ' answered';
}
}
questions.forEach(function(q, i) {
var opts = q.querySelectorAll('.ddj-cme-question__option');
opts.forEach(function(opt) {
opt.addEventListener('click', function() {
if (evaluated) return;
opts.forEach(function(o) { o.classList.remove('selected'); });
opt.classList.add('selected');
answers[i] = opt.dataset.value || opt.textContent.trim();
updateProgress();
});
});
});
if (btnEval) btnEval.addEventListener('click', function() {
if (evaluated) return;
if (Object.keys(answers).length < questions.length) {
alert('Please answer all ' + questions.length + ' questions.');
return;
}
evaluated = true;
attempts++;
var correct = 0;
questions.forEach(function(q, i) {
var correctLetter = q.dataset.correct;
var opts = q.querySelectorAll('.ddj-cme-question__option');
var feedback = q.querySelector('.ddj-cme-question__feedback');
var selected = answers[i];
opts.forEach(function(opt, oi) {
var letter = String.fromCharCode(65 + oi);
opt.classList.add('disabled');
if (letter === correctLetter) opt.classList.add('correct');
if (opt.classList.contains('selected') && letter !== correctLetter) opt.classList.add('incorrect');
});
if (feedback) {
var isCorrect = false;
opts.forEach(function(opt, oi) {
if (opt.classList.contains('selected') && String.fromCharCode(65 + oi) === correctLetter) isCorrect = true;
});
if (isCorrect) {
correct++;
feedback.className = 'ddj-cme-question__feedback correct';
feedback.textContent = q.dataset.explanationCorrect || 'Correct.';
} else {
feedback.className = 'ddj-cme-question__feedback incorrect';
feedback.textContent = q.dataset.explanationIncorrect || 'That is incorrect.';
}
feedback.style.display = 'block';
}
});
var passed = correct >= passingScore;
if (resultCopy) {
resultCopy.innerHTML = '<strong>' + correct + ' out of ' + questions.length + ' correct</strong><br>' +
(passed ? 'Congratulations — you have passed!' : 'Unfortunately you did not pass. ' + (maxAttempts - attempts) + ' attempt(s) remaining.');
}
if (resultBox) resultBox.style.display = 'block';
if (btnEval) btnEval.disabled = true;
});
if (btnReset) btnReset.addEventListener('click', function() {
if (attempts >= maxAttempts) {
alert('Maximum attempts reached.');
return;
}
evaluated = false;
answers = {};
questions.forEach(function(q) {
q.querySelectorAll('.ddj-cme-question__option').forEach(function(o) {
o.classList.remove('selected', 'correct', 'incorrect', 'disabled');
});
var fb = q.querySelector('.ddj-cme-question__feedback');
if (fb) { fb.style.display = 'none'; fb.className = 'ddj-cme-question__feedback'; }
});
if (resultBox) resultBox.style.display = 'none';
if (btnEval) btnEval.disabled = false;
updateProgress();
});
})();
</script>
<section style="margin:0 0 32px 0;">
<div style="background:#f5f5f5;border:1px solid #e0e0e0;border-radius:10px;padding:16px 18px;">
<p style="margin:0 0 8px 0;font-size:13px;color:#8b857d;letter-spacing:0.04em;text-transform:uppercase;">About this article</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">This article is based on the <a href="https://www.dailydentaljournal.com/de-wie-zuverlaessig-sind-staging-und-grading-bei-parodontitis-und-was-bedeuten-sie-/" style="color:#475f76;text-decoration:none;border-bottom:1px solid #c9d4df;">DDJ specialist article</a> and current scientific evidence. All statements are supported by research, which is fully cited in the specialist article.</p>
<p style="margin:0 0 14px 0;color:#3b362f;line-height:1.82;">The content has been prepared by the DDJ editorial team for patients. Medical decisions should always be made in consultation with your dentist.</p>
<p style="margin:0;color:#3b362f;line-height:1.82;"><strong>Updated:</strong> March 2026 · <strong>Language:</strong> English · <strong>Audience:</strong> Patients and interested members of the public</p>
</div></section>
</div>
<!--kg-card-end: html-->