Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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Prognostic Factors Influencing Survival and Success Rates of Autotransplanted Maxillary Canine

자가이식한 상악 견치의 생존율과 성공률에 영향을 주는 예후 인자 연구

  • Kim, Dong-Hyun (Department of Pediatric Dentistry, School of Dentistry, Seoul National University) ;
  • Hyun, Hong-Keun (Department of Pediatric Dentistry, School of Dentistry, Seoul National University) ;
  • Kim, Young-Jae (Department of Pediatric Dentistry, School of Dentistry, Seoul National University) ;
  • Jang, Ki-Taeg (Department of Pediatric Dentistry, School of Dentistry, Seoul National University)
  • 김동현 (서울대학교 치의학대학원 소아치과학교실) ;
  • 현홍근 (서울대학교 치의학대학원 소아치과학교실) ;
  • 김영재 (서울대학교 치의학대학원 소아치과학교실) ;
  • 장기택 (서울대학교 치의학대학원 소아치과학교실)
  • Received : 2016.10.20
  • Accepted : 2016.12.03
  • Published : 2017.08.31
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Abstract

The aim of this study was to investigate the survival and success rates of autotransplanted maxillary canine at the artificially formed recipient socket and evaluate the factors that influence survival and success rates. A total of 28 children who had 37 impacted canines were reviewed over the mean observation time of 25.1 months. Tooth mobility, pathologic root resorption, vertical bone loss, periapical lesion and anklyosis of donor tooth were investigated clinically and radiographically. The survival rate was 100%. The success rate was 64.9%, because 13 teeth were evaluated as unsuccessful. Significant parameter in determining the success rate of autotransplantation was enlarged follicle size of donor tooth according to Cox proportional hazard regression model. The results provide information necessary for clinician to make a better treatment decision about autotransplantation at the artificially formed recipient socket.

이 연구의 목적은 인위적으로 형성된 수여부에 자가이식한 상악 견치의 생존율과 성공률에 대해 알아보고 성공적인 이식에 영향을 주는 요인에 대해 분석하는 것이다. 28명 남녀 어린이의 37개의 자가이식한 상악 견치에 대해 후향적으로 조사하였으며 평균 관찰 기간은 25.1개월이었다. 임상 및 방사선적 평가를 통해 동요도, 병적인 치근 흡수, 수직적 치조골소실 그리고 유착에 대해 조사하였다. 관찰 기간 동안 100%의 생존을 보였으나 13개의 치아가 실패로 분류되어 64.9%의 성공률을 보였다. Cox 비례위험모형에서 성공률에 영향을 주는 요인은 공여치아의 치낭의 비후로 나타났다. 이 연구는 임상가들에게 자가치아이식 시 인위적으로 치조와를 형성할 경우 예후를 판단하는 지침이 될 수 있다고 생각된다.

Keywords

References

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