Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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Detection of Hidden Proximal Caries using Q-ray view in Primary Molars

Q-ray view를 이용한 유구치의 숨은 인접면 우식증 탐지

  • Jeong, Younwook (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Lee, Hyoseol (Department of Pediatric Dentistry, College of Dentistry, Kyunghee University) ;
  • Choi, Hyungjun (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Lee, Jaeho (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Choi, Byungjai (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
  • Kim, Seongoh (Department of Pediatric Dentistry, College of Dentistry, Yonsei University)
  • 정연욱 (연세대학교 치과대학 소아치과학교실) ;
  • 이효설 (경희대학교 치의학전문대학원 소아치과학교실) ;
  • 최형준 (연세대학교 치과대학 소아치과학교실) ;
  • 이제호 (연세대학교 치과대학 소아치과학교실) ;
  • 최병재 (연세대학교 치과대학 소아치과학교실) ;
  • 김성오 (연세대학교 치과대학 소아치과학교실)
  • Received : 2015.02.05
  • Accepted : 2015.04.15
  • Published : 2015.08.31
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Abstract

The purpose of this study was to evaluate the ability of Q-ray view (All-in-one Bio, Seoul, Korea) in detection of proximal caries in primary molars with sound marginal ridges. Thirty two children aged 3-9 years (average $5.6{\pm}1.3$ years old) were chosen, and two examiners evaluated 100 proximal surfaces of primary molars with sound marginal ridges. The teeth were examined with; (a) visual examination, (b) Q-ray view, (c) DIAGNOdent (KaVo, Biberach, Germany) and (d) digital periapical radiography. Kappa statistic was used to assess the agreement between each examination method and the degree of caries progression. The kappa values for enamel caries were 0.15 (visual examination), 0.10 (Q-ray view), 0.25 (DIAGNOdent) and 0.68 (digital periapical radiography). The kappa values for dentinal caries were 0.34 (visual examination), 0.56 (Q-ray view), 0.44 (DIAGNOdent) and 0.70 (digital periapical radiography). Although Q-ray view showed low diagnostic ability in detection of enamel caries, it was effective in detection of hidden proximal caries extended into dentin. Q-ray view would be a useful and simple device which could aid pediatric dentists in detection of hidden proximal caries in primary molars especially when examining uncooperative children or disabled persons.

본 연구는 Q-ray view (All in one Bio, Seoul, Korea)가 변연융선이 파괴되지 않은 유구치의 인접면 우식증을 적절히 탐지해 낼 수 있는지 알아보고자 하였다. 두 명의 소아치과의사가 3-9세 사이의 어린이 32명(평균연령 $5.6{\pm}1.3$세)의 유구치 인접면 100개를 시진, Q-ray view, DIAGNOdent (KaVo, Biberach, Germany), 디지털 치근단 방사선사진 촬영으로 평가하였다. 각 검사법과 실제 치료 시 관찰된 인접면 우식증의 진행 정도를 비교하였을 때, 법랑질 우식증에 대한 kappa값은 시진, Q-ray view, DIAGNOdent, 디지털 치근단 방사선사진 촬영 순으로 0.15, 0.10, 0.25, 0.68이었으며, 상아질 우식증에 대한 kappa값은 0.34, 0.56, 0.44, 0.70이었다. Q-ray view는 상아질까지 진행된 유구치의 숨은 인접면 우식증을 탐지하는 데 도움을 줄 수 있는 유용하고 간편한 보조장비가 될 수 있을 것으로 기대된다.

Keywords

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