Study on the Retraction of Anterior Teeth for the Lingual Orthodontics with the Three-Dimensional Finite Element Method

유한요소법을 이용한 설측 치아교정시 전치부 후방견인에 관한 연구

  • 송정한 (한국과학기술원 대학원 기계공학과) ;
  • 허훈 (한국과학기술원 기계공학과) ;
  • 박현상 (연세대학교 치의학과)
  • Published : 2004.08.01


The orthodontic surgery including lingual orthodontics has recently attracted a person's attention due to its functional and esthetic appreciation. The skeletal anchorage with the miniscrew is newly adopted in the lingual orthodontics to assist the upholding ability. The appliciation needs to understand the mechanism of the orthodontic appliance and its related orthodontic correction for optimal orthodontic treatment. There is, however, few information about the qualitative and quantitative effect of the orthodontic appliance with the miniscrew has not been well identified. In this paper, three dimensional finite element analysis is introduced to the lingual orthodontics in order to investigate the effect of the anterior retraction force on the miniscrew and transpalatal arch wire. The analysis determines the adequate location of the miniscrew and the point of force application of the anchorage system in the lingual orthodontics. The analysis results demonstrate the effect of the position of the miniscrew and the transpalatal arch wire on the lingual orthodontics.


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