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Background: The aim of this non-interventional, observationalstudy was to develop and evaluate a digital procedure to access, extract and analyse recorded clinical data in practices to assess periodontal treatment outcomes. Methods: Participating periodontists were former or active postgraduate students of a master’s course in periodontics in Freiburg who routinely used a digital periodontal diagnostic program. All available stored periodontal patient charts were extracted, anonymized and digitally sent to the study centre. Results: In this study, data were collected from6401 patients from 9 different practices. Information such as probing depth (PD), bleeding on probing (BOP), mobility, furcation and gingival attachment for 153163 teeth at first visit were successfully transferred to the study centre. During the observational period, which was from 2.08 years to 18.35 yearson average,only 2.8% of all teeth were lost. The number of visits was significantly negatively correlated withBOP (p |
