Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral and Maxillofacial Surgery

Aim of the Study: The purpose of this study aimed to answer a clinical question whether the use of platelet rich fibrin after ridge splitting with simultaneous implant placement will enhance implant stability in comparison with xenograft or not. Materials and Methods: Sixteen patients were divided into 2 equal groups (Group I & Group II). Patients in both groups underwent surgical ridge splitting for narrow edentulous posterior mandibular ridge with simultaneous implant placement. In Group I, platelet rich fibrin used as a graft material around the implant in between buccal and lingual cortices. In Group II, Tutogen ® xenograft used as a graft material around the implant in between buccal and lingual cortices. Each patient was assessed for implant stability and relative bone density around the implant. Implant stability measured by Osstell TM by means of resonance frequency analysis (RFA) which was recoded as Implant Stability Quotient (ISQ) values first intraoperative then at intervals 3 months, 6months and 9 months postoperatively. However, the relative bone density has been evaluated by cone beam computed tomography (CBCT) immediate post-operative and 6 months later. All results were statistically analyzed

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