高角和低角病例的诊断、临床特征及正畸治疗特点(17)

高角病例上下唇长度 大于低角病例, 以补偿 唇闭合不良。高角病 例舌位向下向后, 软腭 向后倾斜, 气道在鼻咽 和口咽处较窄。 High-angle cases, lower lip length is greater than the lowangle cases, adverse to compensate for lip closure. Cases of high-angle position of the tongue back down, soft palate, tilted back, the airway in the nasopharynx and oropharynx narrow.17

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