Socket preservation with demineralized freeze-dried bone allograft and platelet-rich fibrin for implant site development: A randomized controlled trial.

Journal of Indian Prosthodontic Society
Ridhima DhamijaRoopa S Rao

Abstract

This in vivo study compared clinical, histological, and radiological differences in bone formation in human extraction sockets grafted with demineralized freeze-dried bone allograft (DFDBA) and platelet-rich fibrin (PRF), with nongrafted sockets and bone-implant contact (BIC) at 3 and 6 months after implant placement. Randomised controlled trial. The study comprised thirty posterior teeth sockets in either arch in patients ranging from 25 to 60 years. The patients were divided into two equal groups - Group I: control group wherein no graft was placed and the extraction socket was left to heal normally and Group II: test group in which DFDBA and PRF were placed after extraction. 12-16 weeks after extraction, a trephine biopsy was done just prior to implant placement, followed by implant placement. Cone-beam computed tomography (CBCT) at 3 and 6 months after implant placement was done to assess BIC. Descriptive and Inferential statistical analysis was done. Parametric test: Independent t-test was used for intergroup analysis and dependent t-test for intra-group analysis. Lower buccal bone levels were seen in the control group versus test group at all intervals though moderately significant. Lingual bone levels significantly reduc...Continue Reading

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