대한소아치과학회지 (Journal of the korean academy of Pediatric Dentistry)

  • 제49권4호
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  • Pages.414-427
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  • 2022
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  • 1226-8496(pISSN)
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  • 2288-3819(eISSN)
대한소아치과학회 (Korean Academy of Pediatric Dentistry)
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분광광도계를 이용한 한국 소아 환자의 상악 영구 절치 색조 분석

Color Distribution of Maxillary Permanent Incisors in Korean Pediatric Patients Using a Spectrophotometer

  • 오승현 (서울대학교 치의학대학원 소아치과학교실) ;
  • 김현태 (서울대학교 치의학대학원 소아치과학교실) ;
  • 신터전 (서울대학교 치의학대학원 소아치과학교실) ;
  • 현홍근 (서울대학교 치의학대학원 소아치과학교실) ;
  • 김영재 (서울대학교 치의학대학원 소아치과학교실) ;
  • 김정욱 (서울대학교 치의학대학원 소아치과학교실) ;
  • 장기택 (서울대학교 치의학대학원 소아치과학교실) ;
  • 송지수 (서울대학교 치의학대학원 소아치과학교실)
  • Seunghyun, Oh (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Hyuntae, Kim (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Teo Jeon, Shin (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Hong-Keun, Hyun (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Young-Jae, Kim (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Jung-Wook, Kim (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Ki-Taeg, Jang (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Ji-Soo, Song (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University)
  • 투고 : 2022.07.12
  • 심사 : 2022.09.07
  • 발행 : 2022.11.30
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초록

이 연구의 목적은 한국 소아 및 청소년 환자의 상악 영구전치의 색조 분포를 분석하고, 환자의 연령과 치근 발육 정도가 색조에 미치는 영향을 확인하는 것이다. 평균 연령 10.0 ± 1.5 세인 7세에서 15세 사이의 한국 어린이 101명에서 치아우식, 수복물, 외상 이력과 변색이 없으며 건전하고 충분히 맹출한 상악 영구 중절치와 측절치 404개의 국제조명위원회 L*a*b* 값을 분광광도계를 이용하여 측정하였다. L*a*b* 값은 상악 중절치에서 84.01, 0.17, 24.07, 상악 측절치에서 82.33, 0.31, 25.99로 나타났다. 상악 중절치가 상악 측절치에 비해 L* 값은 높고 b* 값은 낮았다(p < 0.001). 치아 각 부위 사이의 색조 차이는 상악 중절치와 상악 측절치 모두에서 임상 허용의 한계치보다 높았다. 10세 이하의 소아 청소년의 L* 값은 상악 중절치와 상악 측절치에서 각각 84.14 및 84.04였으며, 11세 이상의 소아 청소년의 L* 값은 상악 중절치와 상악 측절치에서 각각 80.62 및 80.56였다. 10세 이하 환아의 상악 절치의 L* 값이 11세 이상 환아에 비해 높게 나타났다. 치근 발육 정도에 따른 색조 차이는 없었다. 이 연구에서는 소아 환자의 상악 영구 절치 심미 수복을 위해서 상악 중절치와 상악 측절치 사이의 색조 차이와 치아 각 부위 사이의 색조 차이, 그리고 연령에 따른 색조 차이를 고려해야 할 것을 제안한다.

This study aims to analyze the color distribution of maxillary permanent incisors in Korean pediatric patients and determine the effects of age and root developmental stage on tooth color. The L*a*b* values of 404 sound and fully erupted maxillary incisors without dental caries, restorations, trauma history or discoloration from 101 Korean patients between ages 7 and 15, with a mean age 10.0 ± 1.5, were analyzed with a spectrophotometer. CIE L*a*b* values were 84.01, 0.17, and 24.07 in maxillary central incisors, and 82.33, 0.31, and 25.99 in maxillary lateral incisors. L* values of maxillary central incisors were higher, and b* values of maxillary central incisors were lower than those of maxillary lateral incisors (p < 0.001). The color differences among the subregions exceeded the clinical perceptibility threshold in both of the maxillary central and lateral incisors. L* value for children at age 10 and younger was 84.13 in maxillary central incisors and 84.04 in maxillary lateral incisors, and those of older patients were 80.62 and 80.56, respectively. L* value of maxillary incisors of children at age 10 and younger was significantly higher than that of older patients. The root developmental stage did not affect tooth color. This study suggests that the color differences between maxillary central and lateral incisors and among the subregions of a tooth and the effects of age should be considered for aesthetic restorations of permanent incisors in pediatric patients.

키워드

과제정보

This work was supported by the New Faculty Startup Fund from Seoul National University.

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