Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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Survival Rates of Class II Restoration in Primary Molar with Flowable Resin Composite

유동성 복합레진을 이용한 유구치 II급 수복의 생존율

  • Seo, Hyejun (Department of Pediatric Dentistry, School of Dentistry, Pusan National University) ;
  • Park, Soyoung (Department of Pediatric Dentistry, Pusan National University Dental Hospital) ;
  • Lee, Eungyung (Department of Pediatric Dentistry, Pusan National University Dental Hospital) ;
  • Jeong, Taesung (Department of Pediatric Dentistry, School of Dentistry, Pusan National University) ;
  • Shin, Jonghyun (Department of Pediatric Dentistry, School of Dentistry, Pusan National University)
  • 서혜준 (부산대학교 치의학전문대학원 소아치과학교실) ;
  • 박소영 (부산대학교 치과병원 소아치과) ;
  • 이은경 (부산대학교 치과병원 소아치과) ;
  • 정태성 (부산대학교 치의학전문대학원 소아치과학교실) ;
  • 신종현 (부산대학교 치의학전문대학원 소아치과학교실)
  • Received : 2020.06.23
  • Accepted : 2020.08.13
  • Published : 2021.02.28
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Abstract

The purpose of this retrospective study was to evaluate the survival rate by comparing Class II restoration using flowable resin composite with stainless steel crown in primary molars. Electronic medical records and radiographs of 1,504 primary molars with proximal caries of 590 patients from June 2015 to August 2019 were analyzed. With the collected data, survival analysis was performed using the Kaplan-Meier method. The 1-year survival rate of flowable resin composite in the primary molar was 98.5%, 3-year survival rate was 87.7%, and mean survival time was 39 months. There was no statistically significant difference between flowable resin composite and stainless steel crown (p = 0.896). Within the limits of this study, Class II restoration using flowable resin composite can be considered a promising option for the treatment of proximal caries in primary molars.

이 연구의 목적은 소아 환자의 유구치 인접면 우식증 치료에 유동성 복합레진을 이용한 II급 와동 수복물의 생존율을 기성금속관과 비교하여 후향적으로 평가하는 것이다. 2015년 6월부터 2019년 8월까지 인접면 우식증으로 진단되어 유동성 복합레진과 기성금속관 수복 치료를 시행한 590명의 1,504개의 유구치에 대한 전자의무기록과 방사선사진을 조사하였다. 수집된 자료는 Kaplan-Meier method를 이용해 생존 분석을 하였다. 유동성 복합레진 수복된 치아의 1년 생존율은 98.5%, 3년 생존율은 87.7%, 평균 생존기간은 39개월이었으며, 기성금속관과 비교할 때 통계적으로 유의한 차이는 없었다(p = 0.896). 현 연구의 한계 내에서 유동성 복합레진을 이용한 II급 수복은 유구치 인접면 우식증 치료의 예지력 있는 선택지가 될 수 있다고 사료된다.

Keywords

Acknowledgement

This work was supported by Pusan National University Research Grant, 2019.

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