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  • Title: Platelet-rich fibrin and bovine porous bone mineral vs. platelet-rich fibrin in the treatment of intrabony periodontal defects.
    Author: Lekovic V, Milinkovic I, Aleksic Z, Jankovic S, Stankovic P, Kenney EB, Camargo PM.
    Journal: J Periodontal Res; 2012 Aug; 47(4):409-17. PubMed ID: 22126591.
    Abstract:
    BACKGROUND AND OBJECTIVE: Bovine porous bone mineral (BPBM) is a xenograft that has been successfully utilized in periodontal regeneration. Platelet-rich fibrin (PRF) is a leukocyte and platelet preparation that concentrates various polypeptide growth factors and therefore has the potential to be used as regenerative treatment for periodontal defects. The purpose of this study was to examine the suitability of autologous PRF as regenerative treatment for periodontal intrabony defects in humans and to examine the ability of BPBM to augment the regenerative effects exerted by PRF. MATERIAL AND METHODS: Using a split-mouth design, 17 paired intrabony defects were randomly treated either with PRF or with PRF-BPBM combination. Re-entry surgeries were performed at 6 mo. Primary study outcomes were changes in pocket depth, attachment level and defect fill. RESULTS: Preoperative pocket depths, attachment levels and transoperative bone measurements were similar for the PRF and PRF-BPBM groups. Postsurgical measurements revealed a significantly greater reduction in pocket depth in the PRF-BPBM group (4.47±0.78 mm on buccal and 4.29±0.82 mm on lingual sites) when compared with the PRF group (3.35±0.68 mm on buccal and 3.24±0.73 mm on lingual sites). The PRF-BPBM group presented with significantly greater attachment gain (3.82±0.78 mm on buccal and 3.71±0.75 mm on lingual sites) than the PRF group (2.24±0.73 mm on buccal and 2.12±0.68 mm on lingual sites). Defect fill was also greater in the PRF-BPBM group (4.06±0.87 mm on buccal and 3.94±0.73 mm on lingual sites) than in the PRF group (2.21±0.68 mm on buccal and 2.06±0.64 mm on lingual sites). CONCLUSION: The results of this study indicate that PRF can improve clinical parameters associated with human intrabony periodontal defects, and BPBM has the ability to augment the effects of PRF in reducing pocket depth, improving clinical attachment levels and promoting defect fill.
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