Scott Craig R, Goonewardene Mithran S, Murray Kevin
Dental School, Oral Health Centre of Western Australia, University of Western Australia, Nedlands, Western Australia.
Am J Orthod Dentofacial Orthop. 2006 Aug;130(2):152-62. doi: 10.1016/j.ajodo.2004.11.036.
The purpose of the study was to determine the influence of variations in the size of the vermilion borders of the upper and lower lips on the perception of the attractiveness of various occlusal traits.
Ten occlusal traits and 3 upper and 3 lower vermilion variations, placed in combinations on a facial image, were used in a questionnaire. Statistical analyses for attractiveness and social and sex attributes were performed for various occupational groups.
The occlusion, vermilion border of the upper and lower lips separately, and the raters' occupations were all highly significant in influencing attractiveness, social perceptions, and perceived sex of the images (P < .01). All occlusal traits were perceived as more attractive with a thicker vermilion border. Thin vermilion borders and more severe irregularity were associated with unattractiveness, aggressiveness, and masculine traits.
This study demonstrates that the thickness of the vermilion border has a profound effect on how people rate the attractiveness of the dentition. Therefore, treatment plans that could affect lip vermilion might result in improved dental alignment but also deterioration in overall attractiveness. Orthodontists placed more emphasis on the teeth than other occupation groups; this demonstrated an occupational bias.
本研究的目的是确定上、下唇唇红缘大小的变化对各种咬合特征吸引力认知的影响。
将十种咬合特征以及上、下唇的三种唇红变化组合放置在面部图像上，用于问卷调查。对不同职业群体进行了吸引力、社会属性和性别属性的统计分析。
咬合情况、上、下唇唇红缘以及评分者的职业在影响图像的吸引力、社会认知和感知性别方面均具有高度显著性（P <.01）。所有咬合特征在唇红缘较厚时被认为更具吸引力。薄唇红缘和更严重的不规则与缺乏吸引力、攻击性和男性特征相关。
本研究表明唇红缘的厚度对人们评价牙列吸引力的方式有深远影响。因此，可能影响唇红的治疗方案可能会改善牙齿排列，但也可能导致整体吸引力下降。正畸医生比其他职业群体更注重牙齿；这显示出职业偏见。
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