<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>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 incisors, retraction of the lower incisors, and the effect of backward rotation of the mandible. A sequence of clinical cases are used to illustrate these adverse effects. Suggested methods are given for limiting the treatment effects of Begg mechanotherapy by selection of appropriate extraction sites and/or by combined use of Begg mechanics with different headgear forces.</p>
</abstract>

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 incisors, retraction of the lower incisors, and the effect of backward rotation of the mandible. A sequence of clinical cases are used to illustrate these adverse effects. Suggested methods are given for limiting the treatment effects of Begg mechanotherapy by selection of appropriate extraction sites and/or by combined use of Begg mechanics with different headgear forces.

Begg class II treatment planning for optimum profile control

Australasian Orthodontic Journal

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Begg class II treatment planning for optimum profile control"}

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...

Begg class II treatment planning for optimum profile control

Published Online: Jan 24, 2024

Page range: 101 - 117

DOI: https://doi.org/10.2478/aoj-1982-0001

Keywords
Begg, treatment mechanics, treatment effects, mandibular rotation, differential anchorage, lip profile, Class II elastics

© 1982 F.G. Thompson, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Begg class II treatment planning for optimum profile control

Published Online: Jan 24, 2024

Page range: 101 - 117

DOI: https://doi.org/10.2478/aoj-1982-0001

KeywordsBegg, treatment mechanics, treatment effects, mandibular rotation, differential anchorage, lip profile, Class II elastics

© 1982 F.G. Thompson, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
Begg, treatment mechanics, treatment effects, mandibular rotation, differential anchorage, lip profile, Class II elastics