Measurement and Analysis of Color of Maxillary Anterior Teeth in Kunming Area of Yunnan Province

Xiaocheng ZHU; Rui WANG; Min YANG; Wen FAN; Xiyun CHEN; Xianghong YANG

doi:10.12259/j.issn.2095-610X.S20220732

Volume 43 Issue 7

Jul. 2022

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Article Navigation > Journal of Kunming Medical University > 2022 > 43(7): 86-91

Xiaocheng ZHU, Rui WANG, Min YANG, Wen FAN, Xiyun CHEN, Xianghong YANG. Measurement and Analysis of Color of Maxillary Anterior Teeth in Kunming Area of Yunnan Province[J]. Journal of Kunming Medical University, 2022, 43(7): 86-91. doi: 10.12259/j.issn.2095-610X.S20220732

Citation:

Xiaocheng ZHU, Rui WANG, Min YANG, Wen FAN, Xiyun CHEN, Xianghong YANG. Measurement and Analysis of Color of Maxillary Anterior Teeth in Kunming Area of Yunnan Province[J]. Journal of Kunming Medical University, 2022, 43(7): 86-91. doi: 10.12259/j.issn.2095-610X.S20220732

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Measurement and Analysis of Color of Maxillary Anterior Teeth in Kunming Area of Yunnan Province

doi: 10.12259/j.issn.2095-610X.S20220732

Dept. of Prosthodontics，Yan’an Hospital Affiliated to Kunming Medical University，Kunming Yunnan 650051，China

Received Date: 2022-05-11
Available Online: 2022-06-25
Publish Date: 2022-07-14

Abstract

Abstract

Objective To analyze the change law of the color information of maxillary anterior teeth in Kunming, Yunnan Province, so as to provide a reference basis for clinical aesthetic prosthesis colorimetry. Methods Vita easyshade advanced 4.0 wireless computer colorimeter was used to measure the L * a * b * values in 1 / 3 of 1800 upper anterior teeth （left and right symmetrical central incisors, lateral incisors and canines）aged 20～89 in Kunming, Yunnan. They were grouped according to age and tooth position, and statistical analysis was carried out by spss24.0 software. Results 1.There was no significant difference between left and right symmetrical homonymous teeth （P > 0.05）. 2.There was no significant difference in color between male and female homonymous teeth （P > 0.05）. 3.There were significant differences in L * a * b * values in different tooth positions （P < 0.05）; 4.There was statistical difference in L * a * b * with age （P < 0.05）. Conclusions 1.the color of the crowns of the maxillary anterior teeth in Kunming area of Yunnan Province is related to tooth position, age and age, but not to gender. 2.From central incisor to lateral incisor and canine, the brightness gradually decreases, the hue gradually changes to red and yellow. 3.With the increase of age, the brightness of the upper anterior teeth gradually decreases, and the color phase transits to green and yellow. It is suggested that the teeth with the same name on the opposite side of the same jaw are preferred in clinical color comparison of maxillary anterior teeth. If the teeth with the same name on both sides are missing, the tooth position with the highest saturation, and not easy to fall off in the mouth, namely the canine, is selected as the reference color comparison.
- Upper anterior teeth,
- Colorimetry,
- L*a*b* value,
- Measurement

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References(27)

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