Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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AUTOTANSPLANTATION OF IMPACTED MAXILLARY CANINES: CASE REPORTS

자가 이식을 이용한 매복 견치의 치험례: 증례보고

  • Ko, Yoon-Sik (Department of Pediatric Dentistry, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Kim, Ji-Yeon (Department of Pediatric Dentistry, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Park, Ki-Tae (Department of Pediatric Dentistry, Samsung Medical Center, Sungkyunkwan University School of Medicine)
  • 고윤식 (성균관대학교 의과대학 삼성서울병원 치과진료부 소아치과) ;
  • 김지연 (성균관대학교 의과대학 삼성서울병원 치과진료부 소아치과) ;
  • 박기태 (성균관대학교 의과대학 삼성서울병원 치과진료부 소아치과)
  • Received : 2011.08.05
  • Accepted : 2011.11.14
  • Published : 2011.11.30
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Abstract

Maxillary canine impaction is a common eruption problem in children. Impaction frequently involves further complications such as root resorption of adjacent teeth, cyst formation and migration of the neighboring teeth, etc. Various treatment modalities include extraction of preceding deciduous canine, orthodontic traction, and surgical extraction followed by immediate replantation of the extracted tooth at the proper position(autotransplantation). Autotransplantation is considered as the treatment of choice when surgical exposure and subsequent orthodontic traction are difficult or impossible due to unfavorable impacted position. The prognosis of autotransplantation is affected by the degree of apex formation, surgical procedures performed, timing of root canal treatment, and length of stabilization period. In these two cases presented, the patients with unerupted maxillary canine were treated with autotransplantation. One case was thought that guidance of eruption by orthodontic traction was difficult because of its unfavorable impacted position. In the other case, parents didn't agree to treat by orthodontic traction, therefore autotransplantation was done. In both cases, autotransplantation was carried out following root canal treatment and orthodontic treatment, and both cases have demonstrated to be successful to this day.

상악 견치의 매복은 소아치과 의사가 흔히 접할 수 있는 맹출장애이며, 이를 방치하였을 경우 인접치의 치근 흡수, 낭종 형성 등의 임상적인 문제점을 유발할 수 있다. 이에 대한 치료는 간단한 유치 발치에서부터 매복치아의 교정적 견인, 외과적 자가이식 등 다양한 방법을 고려할 수 있다. 이 중 자가 이식은 매복치아가 교정적 견인술을 시행하기 어려운 위치에 존재하거나 재위치 시키는데 실패했을 경우에 매복치아의 발거에 앞서 고려할 수 있으며, 그 예후는 치근의 완성도, 환자연령, 외과적 술식, 근관치료 시기, 치아고정 기간 등에 의해 결정된다. 본 두 증례들은 혼합치열기 말기에 상악 견치가 매복된 환자에서 그 매복 위치가 자발적인 맹출 유도나 교정적 견인 및 배열이 어렵다고 판단된 경우이며, 자가 이식 후 근관치료와 교정 치료를 시행하고 현재까지 성공적으로 유지되고 있어 보고하는 바이다.

Keywords

References

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  1. Prognostic Factors Influencing Survival and Success Rates of Autotransplanted Maxillary Canine vol.44, pp.3, 2017, https://doi.org/10.5933/JKAPD.2017.44.3.317