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偏侧咀嚼习惯被认为颞下颌关节功能紊乱综合征(以下简称TMJDS)的病因之一,但其确切的致病机理尚不清楚。本文对具有偏侧咀嚼习惯的TMJDS病人的临床症状和肌电图结果进行比较,探讨偏侧咀嚼习惯对咀嚼肌和颞下颌关节损害的机理。 材料和方法 从关节门诊中收集123名具有偏侧咀嚼习惯的TMJDS病人,确定偏侧咀嚼习惯的依据包括(1)病人的主诉;(2)面部的对称情况,即惯用侧大多有颞肌或嚼肌丰满、下颌
Unilateral chewing habit is considered one of the causes of TMJD (TMJDS), but its exact pathogenesis is not yet clear. In this paper, the clinical symptoms and EMG results of TMJDS patients with unilateral chewing habits were compared to explore the mechanism of unilateral chewing habits on the masticatory muscles and temporomandibular joints. MATERIALS AND METHODS: A total of 123 TMJDS patients with unilateral chewing habits were collected from a joint clinic and the basis for determining unilateral chewing habits consisted of (1) the patient's complaint; (2) facial symmetry, that is, most of the dominant side had temporal muscles or Masticus plump, jaw