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Guided tissue regeneration: the new frontier in periodontics.

The ideal goal of periodontal therapy is the reestablishment and regeneration of the lost periodontal tissues. Many different treatment regimens have been suggested to achieve this dream; however, most are unpredictable and highly debated in the periodontal literature. This paper discusses the most current philosophy in periodontal regeneration--guided tissue regeneration. A brief review of the literature, surgical technique, and case presentations pertaining to this procedure are provided.