Abstract
The purpose of this study is to analyze histomorphometrically, and also through immunohistochemical reactions, the influence of platelet-rich plasma (PRP) or platelet-rich fibrin (PRF) on bone healing in surgically created critical-size defects (CSD) in rats. 90 rats will be divided into 3 groups: Group C (control), Group PRP (platelet-rich plasma) and Group PRF (platelet-rich fibrin). A …