Arcial Growth of the Mandible Arcial Growth of the Mandlble
Arcial Growth of the Mandible
預測正畸治療之目標： 1.Long range forecast 5年以上之預測 2.Short range forecast 3~5年之預测 3. V.T.O. 2~3年之預测
1. Long range forecast 5年以上之預測 2. Short range forecast 3~5年之預測 3. V.T.O. 2~3 年之預測 預測正畸治療之目標:
V.T.O. Visual Treatment Objectives -目視治療目標 -The paper treatment in orthodontic Tx
V.T.O. Visual Treatment Objectives - 目視治療目標 - The paper treatment in orthodontic Tx
Step 1:Cranial Base -Ba-Na Growth 1mm/year 1.延長Ba-Na線段 2.同時描出 Nasal bone, Occipital bone
C.C Step 1: Cranial Base - Ba -Na Growth = 1mm/year 1. 延長Ba -Na線段 2. 同時描出 Nasal bone, Occipital bone
Step 4:Mandible 1.Symphysis 2.Facial plane 3.Mand.plane 4.Facial axis 1.重叠Corpus axis及 新舊Pm point 2.描出Symphysis 3.再璉接Na-Pog, 即是Facial plane 4.畫出Mand.PL, Facial axis
Step 4: Mandible 1. Symphysis 2. Facial plane 3. Mand. plane 4. Facial axis 1. 重疊 Corpus axis及 新舊 Pm point 2. 描出 Symphysis 3. 再連接Na-Pog, 即是Facial plane 4. 畫出 Mand. Pl., Facial axis