The korean journal of orthodontics (대한치과교정학회지)

The Korean Association Of Orthodontists (대한치과교정학회)
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MnBillnry protraction treatment of skeletal Class III children using miniplnte anchorage

Miniplate anchorage를 이용한 골격성 III급 부정교합 아동의 상악 전방견인 치료

  • Cha, Bong-Kuen (Department of Orthodontics, College of Dentistry, Kangnung University) ;
  • Lee, Nam-Ki (Department of Orthodontics, College of Dentistry, Kangnung University) ;
  • Choi, Dong-Soon (Department of Orthodontics, College of Dentistry, Kangnung University)
  • 차봉근 (강릉대학교 치과대학 교정학교실) ;
  • 이남기 (강릉대학교 치과대학 교정학교실) ;
  • 최동순 (강릉대학교 치과대학 교정학교실)
  • Published : 2007.02.28
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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.

상악 전방견인 장치는 골격성 III급 부정교합 특히 상악골 열성장 치료를 위해 널리 사용되고있다. 이 경우 증례에 따라 치아 치조성 이동을 허용하는 다양한 치료목표가 설정될 수 있으나, 상악골의 순수한 전방이동이 필요한 경우 다양한 구내장치를 이용하여 고정원 보강을 시도함에도 불구하고 고정원의 치아 치조성 이동을 피하기 어려운 경우가 발생된다. 이는 치아를 고정 원으로 이용하는 경우 골개조(remodeling)가 상악복합체 뿐만 아니라 치주인대에서도 발생되기 때문이다. 특히 이러한 부작용은 역동적인 치열 교환이 일어나서 치성고정원이 부족한 혼합치열기 또는 비교적 늦은 나이에 악정형 치료가 시행되는 경우에 많이 발생되게 된다. 이와 같은 부작용을 방지하기 위해 임플란트의 사용이나 피질골절단술, 신연골형성술 등의 외과적 방법을 응용하여 전방견인을 시도할 수 있으나 본고에서는 악정형적 효과를 극대화하기 위한 새로운 대안으로 골 고정원 (skeletal anchorage)을 이용한 상악 전방견인 치료의 외과적 교정적 치료 술식을 증례를 통해 소개하고자 한다.

Keywords

References

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