Color distribution of maxillary primary incisors using a dental spectrophotometer in Korean children

Song,  Ji-Soo; Shin,  Teo Jeon; Hyun,  Hong-Keun; Kim,  Young-Jae; Kim,  Jung-Wook; Jang,  Ki-Taeg; Lee,  Sang-Hoon

J Korean Dent Assoc > Volume 58(8); 2020 > Article

The Journal of The Korean Dental Association 2020;58(8):476-485.
Published online August 31, 2020.

치과용 분광광도계를 이용한 상악 유전치의 색조 분포에 관한 연구

송지수¹, 신터전², 현홍근³, 김영재⁴, 김정욱⁵, 장기택⁶, 이상훈⁷

^¹서울대학교치과병원 소아치과
^²서울대학교 치의학대학원 소아치과학교실
^³서울대학교 치의학대학원 소아치과학교실
^⁴서울대학교 치의학대학원 소아치과학교실
^⁵서울대학교 치의학대학원 소아치과학교실
^⁶서울대학교 치의학대학원 소아치과학교실
^⁷서울대학교 치의학대학원 소아치과학교실

Color distribution of maxillary primary incisors using a dental spectrophotometer in Korean children

Ji-Soo Song¹, Teo Jeon Shin², Hong-Keun Hyun³, Young-Jae Kim⁴, Jung-Wook Kim⁵, Ki-Taeg Jang⁶, Sang-Hoon Lee⁷

¹Department of Pediatric Dentistry, Seoul National University Dental Hospital
²Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University
³Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University
⁴Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University
⁵Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University
⁶Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University
⁷Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Seoul National University

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.

Key Words: Primary incisor;color distribution;spectrophotometer;