West China Journal of Stomatology ›› 2019, Vol. 37 ›› Issue (3): 295-298.doi: 10.7518/hxkq.2019.03.013

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The study of combined unilateral intraoral and extraoral reduction approach in the treatment of anterior temporomandibular joint dislocation

Tingting Ma,Yong Song(),Junlin Wang,Yanjie Liu,Yucong Chen,Hujie He,Bohao Wang   

  1. Dept. of Stomatology, Liuzhou General Hospital, Liuzhou 545006, China
  • Received:2018-05-13 Revised:2019-03-10 Online:2019-06-01 Published:2019-06-12
  • Contact: Yong Song E-mail:songyong@whu.edu.cn

Abstract:

Objective To observe the clinical outcomes of a combined unilateral intraoral and extraoral reduction approach in the treatment of anterior temporomandibular joint (TMJ) dislocation. Methods Postural muscular chains were utilized in the biomechanical analysis of stomatognathic systems for improving TMJ repositioning approaches. A total of 87 patients with anterior TMJ dislocation were included in the present study. A combined unilateral intraoral and extraoral reduction approach was applied, and the clinical effects were evaluated. Results Biomechanical analysis reveal that reflexive contraction of the maxillary muscle group was blocked sufficiently during the combined unilateral intraoral and extraoral reduction process. All dislocated TMJs were set successfully and efficiently with few complications. Conclusion Combined unilateral intraoral and extraoral reduction approach is an effective, convenient, and minimally invasive way to treat anterior TMJ dislocations.

Key words: biomechanics, temporomandibular joint, anterior dislocation, reduction

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