The effects and follow-up of early preorthdontic trainer treatment on class II malocclusions

2급 부정교합에서 교정 전 Trainer를 이용한 조기치료 효과와 예후관찰

  • 심연수 (청주대학교 치위생학과) ;
  • 김아현 (조선대학교 치과병원 예방치과) ;
  • 안소연 (원광대학교 치의학과)
  • Received : 2013.02.05
  • Accepted : 2013.04.20
  • Published : 2013.04.28


TRAINER for Kids ($T4K^{TM}$, Myofunctional. Research Co, Australia) is a prefabricated myofunctional orthodontic appliance recommended to ClassII division1 malocclusion patients who have bad oral habits such as mouth breathing, tongue thrusting, inappropriate tongue position, thumb sucking and so on. Trainer has a soft texture and a small volume so that those advantages lead to an increase in the agreement rate of young patients of its use. This presentation is to analyze clinical efficacy of Trainer. The analysis is based on a result of regular follow-up on Class II division1 malocclusion patients who has been completely treated by Trainer in the Sanbon Dental Hospital of Wonkwang university. This case report is to present the satisfactory results gained by using Trainer on Class II patients. First, Trainer was applied in Class II malocclusion patients of mixed dentition with expected space insufficient to gain facial improvement. Second, excessive overjet, overbite were improved. Third, main effects are regarded to have been achieved by development of lingual slant of upper jaw, labial slant of lower jaw, and lower part of jaw bone.