A pilot study on the association between soft tissue volumetric changes and non-surgical periodontal treatment in stage III periodontitis patients. A case series study.

This study investigates the correlation between soft tissue volumetric changes and clinical periodontal parameters for patients suffering from Stage III periodontitis after non-surgical periodontal treatment (NSPT) via intraoral scanning. The following study is a case series pilot study involving twenty-eight Stage III Periodontitis patients. All subjects received full-mouth periodontal examination and intra-oral scanning cat baseline and re-evaluation. NSPT with bi-weekly oral hygiene reviews were carried out, and re-evaluation was performed after 10-12 weeks. Baseline scanned data of all subjects would be superimposed with the corresponding scanned data obtained during re-evaluation to ensure the teeth are in the correct alignment. Boolean subtraction would be performed with the 3D scanned data after superimposition and transformation into a 3D solid. The association of baseline clinical parameters and changes after NSPT with soft tissue volumetric changes up to tooth surface level would be evaluated. Mean volumetric reduction after NSPT was 153.45 mm Intraoral scanning can be a valid non-invasive method to assess soft tissue volumetric changes after initial periodontal treatment, which are correlated to changes in the baseline clinical periodontal parameters.

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Declaration of Competing Interest No conflict of interest was reported. The authors do not have any financial interests, either directly or indirectly, in the products or information listed in the paper. The authors declare that there are no conflicts of interest in this study. The study was funded by the Periodontal Research Fund of the University of Hong Kong.