Abstract
The current research paper was designed to assess the impact of an intra-articular injection of injectable platelet-rich fibrin (I-PRF) following arthrocentesis and the use of an anterior repositioning splint (ARS) as a proposed treatment approach for addressing symptomatic internal derangement of the temporomandibular joint (TMJ). This study comprised thirty patients who presented with bilateral disc displacement without reduction. The patients were evenly distributed into two groups: Group I underwent treatment involving ARS and arthrocentesis alone, while Group II underwent treatment with ARS, arthrocentesis, and the injection of I-PRF. Clinical assessment of all patients was done postoperatively in the following intervals; first week, first month, third month, and six months for maximum mouth opening (MMO), right and left lateral excursion, and pain score. Magnetic resonance imaging (MRI) assessment for all joints was done at the sixth month postoperatively. Both groups demonstrated improvement in MMO, lateral excursion, and pain. Significant statistical differences were observed in the mean values of MMO and Visual Analogue Scale (VAS), favouring the I-PRF group. MRI postoperatively showed no significant changes in disk position or morphology at the end of the sixth month. Administering an intra-articular I-PRF injection subsequent to arthrocentesis demonstrates effectiveness as a treatment approach for alleviating the signs and symptoms associated with internal derangement of the TMJ.
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