The purpose of the present study was to assess the effect of injectable platelet-rich fibrin (i-PRF) enriched with allograft on alveolar bone regeneration when compared with autogenous block bone graft, in the same participants. The study was designed as a split-mouth randomized controlled trial. The patients were randomly assigned to one of two surgical groups: the test group with i-PRF enriched particulate allograft using the screw tent-pole technique; and the control group with autogenous block bone harvested from the ramus area. All augmentation sites covered by leukocytes-PRF (L-PRF) membrane. The primary outcome variable of this study was the radiographic and histologic data collected at postoperative 6 months. The secondary outcome variable was nerve alterations and implant survival.
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Assessment of radiological changes
Timeframe: Change of alveolar bone height at 6 months
Histological assessment
Timeframe: Postoperatively 6 months