Journal of Dental Sciences
Volume 4, Issue 3 , Pages 149-158, September 2009

Long-term stability of an adult Class III open-bite malocclusion treated with multiloop edgewise archwire

  • Chien-Chun Kuo

      Affiliations

    • Department of Dentistry, Mackey Memorial Hospital, Taipei, Taiwan
    • ,
  • Yi-Jane Chen

      Affiliations

    • Department of Orthodontics, National Taiwan University Hospital, Taipei, Taiwan
    • School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
    • ,
  • Eddie Hsiang-Hua Lai

      Affiliations

    • Department of Orthodontics, National Taiwan University Hospital, Taipei, Taiwan
    • School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
    • ,
  • Chung-Chen Jane Yao

      Affiliations

    • Department of Orthodontics, National Taiwan University Hospital, Taipei, Taiwan
    • School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
    • ,
  • Jenny Zwei-Chieng Chang

      Affiliations

    • Department of Orthodontics, National Taiwan University Hospital, Taipei, Taiwan
    • School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
    • Corresponding Author InformationCorresponding author. School of Dentistry, College of Medicine, National Taiwan University, 1, Changde Street, Taipei 10048, Taiwan

Received 11 June 2009; accepted 25 August 2009.

Article Outline

This case report describes the treatment of a 17-year-old girl with an anterior open- bite and Class III malocclusion, who had a history of thumb-sucking habit in childhood. The multiloop edgewise archwire technique was used on the mandibular arch to facilitate uprighting of the mandibular posterior teeth, change the cant of occlusal plane, close the anterior open-bite, and correct the Class III malocclusion. At the end of treatment, Class I occlusion and correction of the anterior open-bite had been achieved. An examination 8 years 8 months after treatment revealed long-term stability of the treatment results.

Key Words:  Class III malocclusion , multiloop edgewise archwire , open-bite

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PII: S1991-7902(09)60020-9

doi:10.1016/S1991-7902(09)60020-9

Journal of Dental Sciences
Volume 4, Issue 3 , Pages 149-158, September 2009

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