악관절 과두걸림에 대한 악관절경술의 치료효과에 관한 임상적 연구

A retrospective evaluation of the effectiveness of temporomandibular joint arthroscopy in closed lock

This is a retrospective study to evaluate therapeutic arthroscopy for closed lock of the temporomandibular joint(TMJ). Eighteen subjects with 18 locked joints were treated y superior joint space arthroscopy, lysis of adhesion and lavage, and lavage, and debridement along with postoperative splint and physiotherapy. Pain, mandibular function including maximal incisal opening, and joint noises were evaluated preoperatively, postoperatively(around 2 weeks), and at the last visit. The mean follow-up was 22.8 months, with range of 3 to 38 months. The results showed that therapeutic TMJ arthroscopy was effective in managing pain and increasing motion of mandible in patients with closed lock of TMJ. In pain 66.7% of the patients reported pain-free state at the last visit And in mandibular function, maximum interincisal opening was increased by 49.1% in distance ; mandibular deviation to the affected side on opening was corrected in 93.8% and limited lateral excursion to the unaffected side was resolved in 91.7% of the symptomatic patients at the last visit. But in improving joint noises, therapeutic arthroscopy was not effective and was unpredictable ; clicking was disappeared in. 45.5% and crepitus in 50% of the symptomatic patients at the last visit.