高角和低角病例的诊断、临床特征及正畸治疗特点(9)

clinical features of high-angle and low angle casesA face: front view: High-angle: long and narrow face, both sides of the mandibular angle is not distinct, the nasion is narrow, often accompanied with incompetent lip.

Low

-angle cases are much more wide and short face. Both sides of the mandibular angle was a square, nasion is wide, lip closure is normal9

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