二、高角病例和低角病例的临床特征The case of high-angle and low angle of the clinical features
5、口颌系统功能Stomatognathic system function: 高角病例口颌功能较弱,主要表现在咀嚼肌肌力小、 口周肌张力低下,力较小, 由于正中位和正中关系 位之间前后距离较大, 下颌的运动以水平向为主;High angle cases stomatognathic function is weak, mainly in the masticatory muscle strength is small, perioral hypotonia, a smaller force.the difference between centric occlusion and centric relation is larger, lower jaw movement mainly on horizontal direction.
低角病例口颌功能较强, 咀嚼肌肌力大, 力亦大, 正 中自由度小, 下颌以垂直运动为主。Low-angle cases Stomatognathic powerful chewing muscle strength, force, the middle of degrees of freedom is small, lower jaw movement mainly on vertical direction18
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