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Abstract
Objectives: Assessment of the effect of Platelet-Rich Fibrin (PRF) on both bone & supporting tissue healing after surgical removal of impacted lower third molar by using of digital panoramic bitewing technique. Patients and Methods: twenty patients complaining of bilaterally impacted lower third molar were included in the study. The surgical treatment plan was removal of bilaterally impacted lower third molar in the same visit under local anesthesia. For the study group represented by the right side, PRF was prepared from patient{u2019}s blood and placed inside the socket and as a membrane covering the buccal bone as well as crestal bone distal to lower 2nd molar. While in the control group (left side of the same patient) nothing was applied in the surgical site and flap was sutured in a regular way at both sides. All patients were followed up clinically every week. Digital panoramic bite wing radiographic examination was done preoperatively then according to the following schedule: (1) Immediate post- operative (one week) (2) three months (3) six months. Results: study group showed statistically significant higher mean bone height and statistically significant lower mean pocket depth than control group. Conclusion: PRF is recommend for alveolar ridge preservation and shortening of postoperative healing period after surgical removal impacted lower third molar