垂直骨面型与颏部形态对侧貌的影响

背景：不同的垂直骨面型的个体，颏部形态也各不相同。那么不同垂直骨面型的个体，颏部形态分别表现为怎样才是最美观的? 目的：评价垂直骨面型与颏部形态两种因素同时对侧貌美观影响。 方法：选择美貌的高均低角女性各一位，由同一摄影师拍摄自然头位侧貌相片。在侧貌照片上，通过小范围的(2 mm为一个单位)改变颏部矢状向和垂直向位置，生成一系列图片。选取17名正畸医生和35名普通人分别对生成的照片进行美学评分，以此评价不同垂直骨面型者的颏部美观。                                                                                           结果与结论：高角者颏部高度轻微变化无美观差异；颏部轻微前突较轻微后缩美观。均角者颏部高度较低者更美观；颏部轻微前突较过分前突和后缩美观。低角者颏部较高更美观；颏部轻微前突较过分前突和后缩美观。说明垂直骨面型与颏部形态对侧貌的影响各不相同，正畸临床中应参考患者的垂直骨面型来改变患者的颏部形态，以为患者获得较好的侧貌。

Vertical facial types and chin morphology effects on the facial profile attractiveness

BACKGROUND:Individuals with different vertical facial types have different chin morphologies. For the individuals with different vertical facial types, what is the most beautiful chin morphology? OBJECTIVE:To evaluate the effects of vertical facial types and chin morphology on facial profile attractiveness. METHODS: Three beautiful females were selected, including one with high mandibular angle, one with average angle and one with low angle. Their facial profile photographs were taken. A series of new pictures were generated by the small scale (2 mm per unit) modification of soft tissue chin in the sagittal direction and vertical direction. Raters consisting of 17 orthodontists and 35 laypersons were selected for aesthetic ratings, in order to evaluate the facial profile attractiveness of the individuals with different vertical facial types. RESULTS AND CONCLUSION:There was no esthetic difference of vertical change in female with high angle; while slightly protrude chin was perceived to be more beautiful than retruded chin. For the female with average angle, lower chin was more attractive than higher chin; slightly protruded chin was beautiful than excessive protruded chin and retruded chin. For the individual with low angle, higher chin was preferred by raters; slightly protruded chin was more beautiful than excessive protruded chin and retruded chin.The results indicate that the effects of vertical facial types and chin morphology to facial profile attractiveness are different. In clinical orthodontic, vertical facial types should be taking into consideration to change the chin morphology of the patents,    in order to obtain better profile attractiveness.