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颞颌关节弹响在临床较常见,但弹响的原因及评价还不是十分清楚。本文试图探讨某些咀嚼功能及病史与弹响问的关系,并记病人在下颌边缘运动轨迹内弹响的位置。对象:31人,22～29岁,实验组21人,有颞颌关节弹响史并有轻度不适;对照组人,均无咀嚼系症状。31人中有7人因正畸拔除过第一或第二前磨牙,其余人均有完整牙列。方法:1.检查颞颌关节弹响可能的原因:夜磨牙、紧咬牙的发生率;静止和运动时的咬合接触情况;颌外伤史;触诊肌肉和关节痛区。2.(牙合)检查:从正中关系(CR,即后退
Temporomandibular joint snapping more common in clinical, but snapping reason and evaluation is not yet very clear. This article attempts to explore the relationship between certain masticatory functions and medical history and elastic symptoms, and remember the position of the patient snapping within the motion trajectory of the mandible. PARTICIPANTS: Twenty-one men, 22-29 years old and 21 subjects in the experimental group had a history of temporomandibular joint snapping and mild discomfort. In the control group, there were no symptoms of chewing. Seven out of 31 people had a complete dentition due to the removal of the first or second premolar teeth by orthodontics. Methods: 1. To check the possible causes of temporomandibular joint snap-ring: the incidence of molars, clenching teeth; occlusal contact at rest and exercise; history of jaw trauma; palpation of muscle and joint pain area. 2. (Occlusal) check: from the middle of the relationship (CR, that is, backwards