Korean J Orthod.  2003 Aug;33(4):247-257.

Treatment effects of the Teuscher appliance in skeletal Class II division 1 malocclusion

  • 1Department of Orthodontics, St. Mary's Hospital, The Catholic University of Korea, Korea.
  • 2Department of Orthodontics, College of Dentistry, Yonsei University, Korea. sohn@yumc.yonsei.ac.kr


Various methods have been used on patients with skeletal Class II division 1 malocclusion. The activator, Frankel appliance, headgear, Herbst appliance, and Twin-block appliance are some examples. The ideal treatment effect using these appliances would be to inhibit horizontal and vertical growth of the maxilla while promoting mandibular growth and obtaining optimum dentition. The Teuscher appliance has a simultaneous combined headgear effect with maxillary growth inhibition and an activator effect with mandibular growth promotion. The purpose of this study was to examine how well these effects were clinically obtained and the results are as follows. 1. The forward growth of the maxilla was effectively inhibited. 2. The downward-forward growth of the maxillary dentoalveolar complex was inhibited. 3. Growth promotion of the mandible was not observed. 4. The overjet, overbite, molar key were effectively improved. 5. The protruded upper lip and facial profile were improved.


Teuscher appliance; Headgear; Activator; Malocclusion
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