The Journal of the Korean dental association (대한치과의사협회지)

The Korean Dental Association (대한치과의사협회)
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Color distribution of maxillary primary incisors using a dental spectrophotometer in Korean children

치과용 분광광도계를 이용한 상악 유전치의 색조 분포에 관한 연구

  • Song, Ji-Soo (Department of Pediatric Dentistry, Seoul National University Dental Hospital) ;
  • Shin, Teo Jeon (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Hyun, Hong-Keun (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Kim, Young-Jae (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Kim, Jung-Wook (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Jang, Ki-Taeg (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University) ;
  • Lee, Sang-Hoon (Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University)
  • 송지수 (서울대학교치과병원 소아치과) ;
  • 신터전 (서울대학교 치의학대학원 소아치과학교실) ;
  • 현홍근 (서울대학교 치의학대학원 소아치과학교실) ;
  • 김영재 (서울대학교 치의학대학원 소아치과학교실) ;
  • 김정욱 (서울대학교 치의학대학원 소아치과학교실) ;
  • 장기택 (서울대학교 치의학대학원 소아치과학교실) ;
  • 이상훈 (서울대학교 치의학대학원 소아치과학교실)
  • Received : 2020.03.26
  • Accepted : 2020.06.24
  • Published : 2020.08.31
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Abstract

The purpose of this study was to analyze the color distribution of the maxillary primary central and lateral incisors using a dental spectrophotometer. Color measurements of maxillary primary central and lateral incisors of 32 pediatric patients aged 2 to 6 years were performed using SpectroShade Handy Dental Type 713000 (Serial No. HDL2678, MHT, Verona, Italy) by one researcher in the same clinic. CIE L*, a*, b* values of total surfaces and cervical, middle, incisal region were recorded. L* values were higher and a* values were lower in the primary central incisors than those in primary lateral incisors, but b* values didn't show statistical difference. L* values of the middle region were the highest, and a* and b* values decreased from the cervical region to the incisal region. There were significant color differences between each region, and ΔE*ab between each region were greater than ΔE*ab between the primary central and lateral incisors. For esthetic restorations of primary incisors, it is necessary to consider the color differences between each region rather than those between the primary central and lateral incisors.

Keywords

References

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