Korean J Orthod.
2007 Feb;37(1):73-84.
Maxillary protraction treatment of skeletal Class III children using miniplate anchorage
- Affiliations
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- 1Department of Orthodontics, College of Dentistry, Kangnung National University, Gangneung city, South Korea. korth@knusun.kangnung.ac.kr
- 2Research Institute for Oral Science, Kangnung National University, Gangneung city, South Korea.
Abstract
- The maxillary protraction headgear has been widely used in the treatment of skeletal Class III children with maxillary deficiency. A variety of treatment objectives which allow dentoalveolar movements may be established, but when only maxillary protraction without dentoalveolar movement is needed, one of the limitations in maxillary protraction with conventional tooth-borne anchorage is the loss of dental anchorage. This is because a bone remodeling occurs not only at circummaxillary sutures but also within the periodontal tissues. During protraction treatment in the mixed dentition phase, in older children or for the patient with multiple congenitally missing teeth, it is not uncommon to observe undesirable mesial movement of maxillary teeth. Such a side effect can be eliminated or minimized using absolute anchorage such as skeletal anchorage. The purpose of this case report is to introduce a new technique of the maxillary protraction headgear treatment using surgical miniplates.
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