Development and Validation of the Periodontal Map Derived From IOS and CBCT Registration for Diagnosis and Treatment Planning in Moderate-to-severe Periodontitis

Inclusion Criteria

• •1. Aged ≥ 18 years.
• •2. Diagnosed with Stage II-IV periodontitis according to the 2018 Classification of Periodontal Diseases.
• •3. Presence of at least one tooth requiring periodontal surgery (including open flap debridement or regenerative surgery) due to periodontitis, where the intra-bony defect can be exposed intra-operatively for measurement.
• •4. Voluntary participation and provision of written informed consent.