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评价长面型白种巴西中学生的面部美观。

Evaluation of facial esthetics in long-faced white Brazilian middle school students.

机构信息

Sagrado Coração University, Bauru, Brazil.

Orthodontics Department, Sagrado Coração University, Bauru, Brazil.

出版信息

Am J Orthod Dentofacial Orthop. 2019 Jun;155(6):812-818. doi: 10.1016/j.ajodo.2018.06.017.

Abstract

OBJECTIVE

This study aimed to determine orthodontists' and layperson's perceptions about facial esthetics in a long face pattern sample.

METHODS

The sample consisted of 64 frontal photographs of white Brazilian middle school students (9-15 years old), diagnosed as long faced through morphologic evaluation and confirmed by the facial index. A Likert-type scale was used to determine orthodontists' (22) and laypeople's (22) perceptions about facial esthetics. Chi-square and proportions tests were used for comparison between the examiners regarding the classification in each degree of esthetics, adopting a significance level of 5%.

RESULTS

For orthodontists and laypeople, most of the subjects were considered to have acceptable appearance: 36.4% and 40.3%, respectively. Subjects whose appearance was classified as unpleasant constituted one-third of the sample: for orthodontists, 7.8% very unpleasant and 22.9% unpleasant, and 6.7% and 22.2%, respectively, for laypeople. The facial structures most cited as responsible for unpleasantness were the lack of lip sealing followed by incisor exposition. The increase of the lower third of the face for orthodontists and eyes for laypeople were the third most cited unpleasant characteristics.

CONCLUSIONS

For the evaluators, two-thirds of the long face sample were considered to have an acceptable, pleasant, or very pleasant appearance. Laypeople's opinions aligned with the orthodontists', that one-third of long-face patients were considered to have an unpleasant appearance.

摘要

目的

本研究旨在确定正畸医生和非专业人士对面部美学的认知,研究对象为长面型样本。

方法

该样本由 64 张巴西白人中学生(9-15 岁)的正面照片组成,通过形态评估诊断为长面型,并通过面部指数得到确认。采用李克特量表来确定正畸医生(22 人)和非专业人士(22 人)对面部美学的认知。采用卡方检验和比例检验比较不同评估者在每个美学等级的分类,采用 5%的显著性水平。

结果

对于正畸医生和非专业人士,大多数受试者被认为具有可接受的外观:分别为 36.4%和 40.3%。外观被归类为不美观的受试者占样本的三分之一:对于正畸医生,分别有 7.8%非常不美观和 22.9%不美观,而非专业人士则分别为 6.7%和 22.2%。导致不美观的最常见面部结构是唇闭合不足,其次是切牙暴露。对于正畸医生来说,面下部增加,对于非专业人士来说,眼睛是被认为是第三大不美观特征。

结论

对于评估者来说,三分之二的长面型样本被认为具有可接受、美观或非常美观的外观。非专业人士的观点与正畸医生一致,认为三分之一的长面型患者的外观不美观。

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