• O Osagie, B D Saheeb, and E P Egbor.
• Department of Oral and Maxillofacial Surgery, University of Benin Teaching Hospital, Benin City, Edo State, Nigeria.
• Niger J Clin Pract. 2021 May 1; 24 (5): 712-717.

AimTo compare the effects of platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) on oral health-related quality of life (OHQoL) following impacted mandibular third molar (M3) surgery.Patients And MethodsA prospective, randomized study of 50 subjects was designed. Participants were divided equally into the PRP and PRF groups. The OHQoL was assessed using the OHQoL-UK instrument preoperatively and on postoperative days (PODS) 1, 3, and 7. Categorical variables were presented as frequencies and proportions. The linear mixed model analysis was used to determine the effects of PRF and PRP on overall OHQoL with respect to time, treatment, and treatment by time-point interaction. The analysis was also performed for the physical, social, and psychological domains.ResultsFifty subjects were analyzed. The time-point assessment of the overall OHQoL was significant within the PRP and PRF groups (P-values of 0.01 and 0.000002, respectively). The time-point analysis was also significant in both study groups at all domain levels (P < 0.05). A comparison of treatment by time-point interaction for the overall OHQoL between the study groups was insignificant (P = 0.217). Treatment by time-point interaction for OHQoL between the study groups at social and psychological domain levels was insignificant, however, at the physical domain level, PRF had a significantly better effect on OHQoL (P = 0.016).ConclusionThe study showed that the overall OHQoL was not significantly different between the PRP and PRF groups after M3 surgery. However, PRF had a significant influence on OHQoL at the physical domain level.

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