Article Title and Bibliographic Information: Long-term effects of supportive therapy in periodontal patients treated with fibre retention osseous resective surgery. II: tooth extractions during active and supportive therapy. Carnevale G, Cairo F, Tonetti MS. J Clin Periodontol 2007;34(4):342-8. Level of Evidence: 2. Purpose/Question: The purpose of this study is to investigate (1) the prevalence of tooth loss during active therapy and long-term maintenance and (2) the clinical reasons associated with these extractions. Source of Funding: Self-funded. Type of Study/Design: Cohort study.
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