Journal of Prevention and Treatment for Stomatological Diseases ›› 2018, Vol. 26 ›› Issue (6): 387-390.DOI: 10.12016/j.issn.2096-1456.2018.06.010

• Prevention and Treatment Practice • Previous Articles     Next Articles

Investigation of anterior teeth color of Uygur youth aged15-20years in the Kashi area of Xinjiang Uygur Autonomous Region

Min SHI(), Jiayu ZHANG, Feng XIAO, Shupeng GE, Xu ZHANG, Huiyu HE()   

  1. Department of Prosthodontics, Department of Prosthodontics, The First Affiliated Hospital of XinJiang Medical University, Urumqi 830000, China
  • Received:2018-01-03 Revised:2018-01-24 Online:2018-06-20 Published:2018-08-30


师敏(), 张嘉宇, 肖峰, 葛树鹏, 张旭, 何惠宇()   

  1. 新疆医科大学第一附属医院口腔修复科,新疆维吾尔自治区 乌鲁木齐(830000)
  • 作者简介:

    【作者简介】 师敏,在读硕士研究生,

  • 基金资助:


Objective To study the distribution range of the color values of the upper anterior teeth of Uygur youth in the Kashi area of XinJiang as a reference for clinical applications. Methods Based on the International Commission on Illumination (CIE) L*a*b* color system, the colorimetric values of the anterior teeth of 212 Uygur youths in Xinjiang, Kashi, were analyzed by digital camera colorimetry. There were 105 males and 107 females. The length of the neck to the cutting end of the tooth was measured, and the tooth was evenly divided into thirds. To determine the chromaticity values of the incisors, lateral incisors, cuspids, and middle teeth, 1/3 of the cervical, middle and incisal regions and 9 test areas were measured. Results The color of the cervical, middle and incisal regions of the same tooth position in Uygur youth in the Kashi area showed the following trends: L* value: middle regions > cervical regions > incisal regions; a* value: cervical regions > incisal regions > middle regions; b* value: cervical regions > middle regions > incisal regions, and the differences were statistically significant (P < 0.05). The value of L* gradually decreased, and the value of a* gradually increased (P < 0.05). There were no significant differences in the a* value of male and female maxillary anterior teeth (P > 0.05). However, there was a significant difference in the b* value between the middle teeth and the incisors, the middle and the incisal regions of the upper maxillary incisors, and the cutting end of the upper maxillary incisors (P < 0.05). Conclusions There was a significant difference in the color of the cervical, middle and incisal of the same tooth. The upper jaw gradually reduced from the incisors to the sharp teeth, and the color gradually became reddish. The maxillary central incisor was brighter in males than in females, and the middle and incisal regions of the maxillary front teeth were more yellow than in males than in females.

Key words: Uygur youth, Anterior teeth, Digital camera, Measure, Color parameters


目的 研究新疆维吾尔自治区喀什地区维吾尔族青年上前牙色度值分布范围,为临床应用提供参考依据。方法 以国际照明委员会L*a*b*色度系统为基础,采用数码相机比色法对212名喀什地区维吾尔族青年上前牙的色度值进行测色分析,其中男性105名、女性107名。对牙齿进行颈部到切端的长度测量,并均匀的分为颈1/3,中1/3,切1/3。分别测量上颌中切牙、侧切牙、尖牙的颈、中、切1/3的色度值,共9个测色部位。结果 喀什地区维吾尔族青年同一牙位的颈部、中部、切端颜色比较,L*值的大小:中部 > 颈部 > 切端;a*值的大小:颈部 > 切端 > 中部;b*值的大小:颈部 > 中部 > 切端,差异有统计学意义(P < 0.05)。上前牙从中切牙到尖牙方向均呈现L*值逐渐降低,a*值逐渐增大(P < 0.05)。男性和女性上颌前牙的a*值差异无统计学意义(P > 0.05),但中上颌中切牙中部和切端、上颌侧切牙中部和切端、上颌尖牙的切端的b*值间差异有统计学(P < 0.05)。结论 同一牙位颈部、中部、切端颜色比较具有显著性差异。上颌从中切牙到尖牙明度逐渐降低,颜色逐渐偏红。男性上颌中切牙比女性偏亮,上颌前牙的中部和切端比女性偏黄。

关键词: 维吾尔族青年, 上前牙, 数码相机, 测量, 色度参数

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