高角和低角病例的诊断、临床特征及正畸治疗特点(2)

来源：网络收集时间：2026-05-20

导读：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� � 口周肌张力低

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

三、正畸治疗特点Orthodontic treatment characteristics 高角病例和低角病例不仅在形态和功能上存在差异, 对正畸治疗的反应也截然不同, 这可能与二者下颌骨骨密度不同有关high-angle and low angle cases, thereare differences not only in the form and function, but laso in response to orthodontic treatment, there may be different in mineral content of the two mandibular bone.

高角病例下颌骨骨密度低, 对施加于牙齿上的力量更敏感,牙齿移动速度较快High-angle cases ofmandibular bone mineral density is low, the force imposed on the teeth more sensitive, faster tooth movement;

低角病例下颌骨密度较高,对矫治力不敏感Thecases of jaw bone density of low-angle high, is not sensitive to the orthodontic force。

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