Discrepancies in periodontitis classification among dental practitioners with different educational backgrounds

Area of Science:

• Dentistry
• Periodontology
• Clinical Practice Guidelines

Background:

• The 2018 classification of periodontal disease introduced a multidimensional staging and grading system.
• Understanding variations in applying this classification is crucial for consistent diagnosis and treatment.

Purpose of the Study:

• To examine variations in periodontitis classification among dental practitioners with different postgraduate educational backgrounds.
• To assess the impact of educational background on the application of the 2018 classification system.

Main Methods:

• A cross-sectional observational study involving two cohorts: dental practitioners with periodontal backgrounds (n=31) and those with other backgrounds (n=33).
• Participants reviewed three periodontitis cases using the 2018 classification guidelines and completed a questionnaire.
• Statistical analysis included Fisher's exact test and polychoric correlations to compare responses and assess accuracy.

Main Results:

• A fair level of agreement was observed in periodontitis classification among practitioners with diverse educational backgrounds.
• The periodontal cohort demonstrated better agreement and partially improved accuracy in classification.
• No significant differences were found in risk factor identification between the cohorts.

Conclusions:

• The 2018 classification system shows fair agreement among dentists with varying educational backgrounds.
• Specialized periodontal training may enhance classification accuracy, though risk factor identification presents a consistent challenge.
• Further education and standardization may be needed to optimize the application of the 2018 classification.