Begg class II treatment planning for optimum profile control

• 主要作者: Thompson F.G (Author)
• 格式: 圖書
• 出版: Sciendo, 1982-03-01T00:00:00Z.
• 主題: article
• 在線閱讀: Connect to this object online.

In attempting to obtain the treatment goals of a normal incisor and lip relationship the overall facial appearance may worsen in a number of patients during treatment with the Begg appliance. The three main causes of this deteriorating profile are over-retraction and excessive torquing of upper inci...