• U Ertas, Y E Ascl, E Yalcin, and G Urvasizoglu.
• Department of Oral, Maxillofacial Surgery, Atatürk University Faculty of Dentistry, Erzurum, Turkey.
• Niger J Clin Pract. 2022 Jan 1; 25 (1): 12-20.

BackgroundTemporomandibular joint (TMJ) hypermobility is classified as a subluxation, complete (luxation), unilateral, or bilateral, acute, chronic protracted, or chronic recurrent dislocation.AimsThis controlled randomized clinical study aims to evaluate the effectiveness of intermaxillary fixation (IMF) screw application and autologous blood injections in the treatment of chronic recurrent dislocation of TMJ in comparison with the placebo group.Patients And MethodsThe patients who were admitted to the Faculty of Dentistry of the Atatürk University between October 2018 and January 2020 were evaluated. Three hundred patients diagnosed with bilateral chronic recurrent dislocation of TMJ based on clinical findings and radiographs were included in the study. The patients were randomly divided into three groups according to the evaluation criteria. Group 1 received IMF, group 2 received autologous blood injection, and group 3 (placebo group) received an intraarticular saline injection.ResultsThe results of the patients who received IMF, autologous blood injection, and saline injection were evaluated by the craniomandibular index. The IMF group showed significant improvement after 1 month and 6 months (P < 0.001), while the patients who received autologous blood injection and saline injection showed no significant improvement (P > 0.05). The data were analyzed with IBM SPSS V23. The significance level was P < 0.05.ConclusionIn our study, the IMF gave the best results among all the study groups. The IMF technique can be used in patients with protracted chronic recurrent dislocation in whom autologous blood injection has failed.

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