Fushima K, Sato S, Suzuki Y, Kashima I
Department of Orthodontics, Kanagawa Dental College, Yokosuka, Japan.
Cranio. 1994 Apr;12(2):78-86; discussion 87. doi: 10.1080/08869634.1994.11677999.
In 32 patients with disk displacement with reduction, the condylar path in the horizontal plane during opening and closing movements of the mandible were analyzed with a computerized axiograph. The horizontal condylar tracings during opening were divided into 15 types. There was no clear relationship between the types and clinical symptoms. The specific correspondence of the types were revealed between the right and left joint. In 21 of 32 patients, the condyle on one side deviated medially, while the contralateral condyle deviated laterally at maximum opening. In most of the patients showing medio-lateral condylar deviation at maximum opening, a straight condylar path was observed from the maximum opening to the position just before the closing click. In some of the patients, the type of horizontal condylar tracing during opening was related to the displacement pattern of the disk assessed by magnetic resonance imaging (MRI).
对32例可复性盘移位患者，使用计算机轴描记仪分析下颌开闭运动时水平面的髁突运动轨迹。开口时的水平髁突轨迹分为15种类型。这些类型与临床症状之间无明显关系。左右关节之间显示出类型的特定对应关系。32例患者中有21例，在最大开口时一侧髁突向内侧偏斜，而对侧髁突向外侧偏斜。在大多数最大开口时表现为髁突内外侧偏斜的患者中，从最大开口到闭口弹响前位置观察到髁突运动轨迹呈直线。在一些患者中，开口时水平髁突轨迹的类型与通过磁共振成像（MRI）评估的盘移位模式有关。
