Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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Contemporary Approach to Autotransplantation of Teeth with Complete Roots Using 3D-printing Technology

3D 프린팅 기술을 이용한 치근단 완성 치아의 자가이식에 대한 최신 접근

  • Park, Jungha (Department of Pediatric Dentistry, School of Dentistry, Chosun University) ;
  • Lee, Sangho (Department of Pediatric Dentistry, School of Dentistry, Chosun University) ;
  • Lee, Nanyoung (Department of Pediatric Dentistry, School of Dentistry, Chosun University) ;
  • Jih, Myoungkwan (Department of Pediatric Dentistry, School of Dentistry, Chosun University) ;
  • Cheong, Hyeran (Department of Dental Hygiene, Dong-A College of Health)
  • 박정하 (조선대학교 치의학전문대학원 소아치과학교실) ;
  • 이상호 (조선대학교 치의학전문대학원 소아치과학교실) ;
  • 이난영 (조선대학교 치의학전문대학원 소아치과학교실) ;
  • 지명관 (조선대학교 치의학전문대학원 소아치과학교실) ;
  • 정혜란 (동아보건대학교 치위생과)
  • Received : 2016.10.24
  • Accepted : 2017.12.12
  • Published : 2017.11.30
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Abstract

Autotransplantation of teeth with complete roots is being increasingly performed for orthodontic treatment or for replacement of unsalvageable teeth, but this procedure has lower survival and success rates than those obtained following transplantation of teeth with incomplete root formation. While previous autotransplantation procedures used only models of the donor tooth and recipient site, surgical guide templates created using 3D-printing technology are now available. They allow shaping of the recipient site in proper direction and to the correct depth, thereby reducing the treatment time and improving the success and survival rates. Herein, we report a case involving autotransplantation of a tooth with complete roots at the site of a congenitally missing permanent tooth using surgical guide templates generated with 3D-printing technology. The procedure resulted in favorable healing of the transplanted tooth.

교정치료의 목적으로, 또는 보존 불가능한 치아를 발거 후 치근 형성이 완료된 치아의 자가치아이식을 요구하는 경우가 늘어나고 있지만 미완성 치근 형성 치아를 이식하는 경우에 비하여 치근 형성이 완료된 치아를 이식하는 경우 생존률 및 성공률이 낮음이 보고 되고 있다. 이전의 자가치아이식에서는 공여치와 수여부만을 재현하는 모델만이 사용된 반면에 현재는 불필요한 골삭제와 술식 시간을 감소시켜주는 외과적 가이드 템플레이트들을 3D 프린팅 기술을 통하여 제작, 술식에 추가적으로 이용함으로써 이식시 적절한 방향와 깊이로 수여부를 형성할 수 있으며 술식시간도 감소시켜 자가치아이식의 성공률 및 생존률을 향상시킬 수 있다고 할 수 있다. 본 케이스는 치근 형성이 완료된 치아를 선천성 결손 부위에 자가이식한 케이스로 3D 프린팅 기술을 이용하여 공여치와 수여부 모형 모델 및 외과적 가이드 템플레이트들을 제작함으로써 술식의 성공률과 안정성을 높일 수 있었고 이식치의 양호한 치유 결과를 이끌어냈다.

Keywords

References

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