Ostwald Julia, Berssenbrügge Philipp, Dirksen Dieter, Runte Christoph, Wermker Kai, Kleinheinz Johannes, Jung Susanne
University of Münster, Department of Prosthetic Dentistry and Biomaterials, Waldeyerstr. 30, D-48149 Münster, Germany.
University of Münster, Department of Prosthetic Dentistry and Biomaterials, Waldeyerstr. 30, D-48149 Münster, Germany.
J Craniomaxillofac Surg. 2015 May;43(4):521-7. doi: 10.1016/j.jcms.2015.03.003. Epub 2015 Mar 9.
One aim of cranio-maxillo-facial surgery is to strive for an esthetical appearance. Do facial symmetry and attractiveness correlate? How are they affected by surgery? Within this study faces of patients with orthognathic surgery were captured and analyzed regarding their symmetry. A total of 25 faces of patients were measured three-dimensionally by an optical sensor using the fringe projection technique before and after orthognathic surgery. Based upon this data an asymmetry index was calculated for each case. In order to gather subjective ratings each face was presented to 100 independent test subjects in a 3D rotation sequence. Those were asked to rate the symmetry and the attractiveness of the faces. It was analyzed to what extend the ratings correlate with the measured asymmetry indices and whether pre- and post-surgical data differ. The measured asymmetry indices correlate significantly with the subjective ratings of both items. The measured symmetry as well as the rated symmetry and attractiveness increased on average after surgery. The increase of the ratings was even statistically significant. A larger enhancement of symmetry is achieved in pre-surgical strongly asymmetric faces than in rather symmetric faces.
颅颌面外科手术的一个目标是追求美观的外观。面部对称性与吸引力之间存在关联吗？它们如何受到手术的影响？在这项研究中，对接受正颌手术患者的面部进行了采集，并对其对称性进行了分析。共有25名患者的面部在正颌手术前后通过光学传感器使用条纹投影技术进行了三维测量。基于这些数据，为每个病例计算了不对称指数。为了收集主观评分，每个面部以三维旋转序列呈现给100名独立的测试对象。要求他们对面部的对称性和吸引力进行评分。分析评分与测量的不对称指数的相关程度，以及手术前后的数据是否存在差异。测量的不对称指数与两个项目的主观评分均显著相关。手术后，测量的对称性以及评分的对称性和吸引力平均有所增加。评分的增加甚至具有统计学意义。与相对对称的面部相比，术前严重不对称的面部在对称性增强方面更为明显。
