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真性下颌前突是一种骨骼畸形,往往伴有安(Angle)氏Ⅲ类错(牙合);而假性下颌前突是下颌向近中移位的结果。下颌前突及Ⅲ类错(牙合)的骨骼畸形,一般可由以下一种或多种
True mandibular prognathism is a skeletal deformity, often accompanied by Angle (Class III) malocclusion (occlusion); and pseudo-mandibular protrusion is the result of the mandibular shift in the near. Mandibular protrusion and Class Ⅲ malocclusion (skeletal) skeletal deformities, the general may be one or more of the following