Analysis of dynamic smile and upper lip curvature in young Chinese

• 作 者: Ling-Zhi Liang Wen-Jie Hu Yan-
• 机 构: DepartmentofPeriodontology,DepartmentofRestorativeDentistry
• 出 处: 国际口腔科学杂志：英文版
• 发表日期: 2013年1期
• 关键词: CHINESE Han NATIONALITY image processing SMILES upper LIP CURVATURE Chinese Han
• 基金项目: The authors thank Dr Hao Zhang and Dr Huan-Xin Meng for their suggestions in the preparation of the manuscript. The authors appreciate the technical supports provided from Zhan-Qiang Cao （Engineer）, a

During smile evaluation and anterior esthetic construction, the anatomic and racial variations should be considered in order to achieve better matching results. The aims of this study were to validate an objective method for recording spontaneous smile pr