@Tweed triangle(粹德氏三角) @ 崇愛齒顎矯正牙醫診所(自 ...

2013年12月10日 - Based on a triangle formed by the Frankfort horizontal (FH), the mandibular plane, and the plane drawn through the mandibular incisor axis to FH. The three angles in Tweed's analytical triangle are referred to as Frankfort mandibular angle&

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