前牙美学修复的整体策略及细节剖析

刘云松,周倜,叶红强

图3 前牙美学修复相关的重要美学参数

Figure 3 Important aesthetic parameters related to aesthetic restoration of anterior teeth A, exposure of upper central incisors at rest; B, the ideal smile arc has the maxillary incisal edge curvature parallel to the curvature of the lower lip; C, changing the distal-incisal angle of the central and lateral incisors can adjust the incisal edge curvature; D, the width-to-length ratio of the maxillary central incisors; E, the ratios of the mesiodistal widths of the maxillary central incisors, lateral incisors and canines in the front view; F, the position of the gingival margin of the upper anterior teeth.