下颌骨的前后位置与正颌手术的感知需求
Anteroposterior position of mandible and perceived need for orthognathic surgery.
作者信息
de Almeida Marina Dórea, Bittencourt Marcos Alan Vieira
机构信息
School of Dentistry, Federal University of Bahia, Bahia, Brazil.
出版信息
J Oral Maxillofac Surg. 2009 Jan;67(1):73-82. doi: 10.1016/j.joms.2008.06.049.
PURPOSE
This study investigated the association between the anteroposterior position of the mandible and the perceived need for orthognathic surgery.
MATERIALS AND METHODS
Profiles of 2 men, 1 black and 1 white, and 2 women, 1 black and 1 white, were photographed and altered to produce photos with a straight profile and 6 simulations of mandibular discrepancies, 3 by retrusion and 3 by protusion from each original face. The 28 faces were evaluated by orthodontists, maxillofacial surgeons, artists, and laypersons.
RESULTS
The greatest numbers of indications for surgery were made for male convex profiles and for female concave profiles. Laypersons were more tolerant to profile changes, whereas maxillofacial surgeons indicated surgery and stated that they would seek facial surgery if profiles were their own in a greater number of cases.
CONCLUSION
The angle of facial convexity has a strong effect on the perceived need for orthognathic surgery.
目的
本研究调查下颌骨前后位置与正颌手术感知需求之间的关联。
材料与方法
拍摄了2名男性（1名黑人、1名白人）和2名女性（1名黑人、1名白人）的侧面照片，并进行修改以生成直面照片以及6种下颌差异模拟照片，每种原始面部照片分别通过后缩和前突生成3种模拟照片。正畸医生、颌面外科医生、艺术家和外行人对这28张照片进行了评估。
结果
对于男性凸面型和女性凹面型，手术指征数量最多。外行人对脸型变化更宽容，而颌面外科医生在更多情况下会建议手术，并表示如果是自己的脸型会寻求面部手术。
结论
面部凸度角度对正颌手术的感知需求有很大影响。
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