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2017 Annual Session Conference


AS17B17C - Treatment of Bimaxillary Protrusion: Considerations of Effect and Limitation


Apr 23, 2017 9:00am ‐ Apr 23, 2017 9:30am

Description

Bimaxillary protrusion is a common malocclusion in Chinese population, and facial esthetics is a major concern of many orthodontic patients. As the increasing communication between eastern and western culture, Chinese population tend to favor straight profiles like Caucasian while neglecting the fact of their unprominent chins. The treatment plan for bimaxillary protrusion often includes extraction of four bilateral premolars, followed by retraction of the anterior teeth with maximum or absolute anchorage to obtain the desired dental and soft-tissue profile changes. However, the movement of tooth is limited by the anatomical margin of alveolar bone. Therefore, the length and position of root, the height and thickness of alveolar bone, and the relationship between root and alveolar bone should be carefully evaluated before orthodontic treatment in order to reduce the potential risks. This lecture aims to discuss the effect and safety of treatment for bimaxillary protrusion by presenting some of my clinical studies and case reports.

Learning Objectives:

  • Describe the root relationship to the alveolar bone in bimaxillary protrusion patients.
  • Illustrate the factors which affects the esthetic evaluation in bimaxillary protrusion patients.
  • Recognize the dangerous of front teeth retraction before orthodontic treatment in bimaxillary protrusion patients.

Speaker(s):

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