Abstract:

Confident and charming smiles may bring us the impressions of beauty. And having complete and beautiful dentitions is an essential condition for attractive smiles. Common dental diseases such as hard tissue injury，discoloration，as well as occlusal deformity，dentition defect，edentulous jaw and so on，can not only damage the oral health of patients，but also have a negative impact on the smile. In order to accomplish a series of aesthetic treatment for the health and beauty of the teeth，dental professionals should not only have exquisite skills，but also have a profound understanding of dental anatomy，morphology and disease diagnostics. This article will summarize the common indicators，aesthetic problems and countermeasures of dental aesthetics based on the previous studies.

Key words: tooth, anterior teeth, smile aesthetics

摘要：

自信迷人的笑容给人以美的感受，而拥有完整美观的牙列是迷人笑容的必备条件。临床常见的牙体疾病如牙体硬组织损伤、牙变色以及错牙合畸形、牙列缺损、牙列缺失等，不仅损害患者的口腔健康，也对其微笑美观性有负面影响。为恢复患者的牙体健康与美观，完成一系列美学治疗，医务工作者不仅要有精湛技术，更要有对牙体解剖学、形态学、疾病诊断学的深刻认识。文章将总结既往研究，对牙体美学常见指标、美学问题与对策做一概述。

关键词: 牙体, 前牙, 微笑美学