Table 1 Smile features for the evaluation of smile aesthetics
Smile features | Definition |
|---|---|
Smile pattern | Integral shape of the upper and lower lips when smiling |
Commissure | Symmetry of the corner of the mouth when smiling |
Dentition | Shape and contour of teeth and gingiva of upper and lower dentition |
Visible width of upper dentition | Exposure of the upper dentition in transversal dimension |
Buccal corridor | Space between the distal aspect of the canine and the respective commissure |
Midline | Deviation of the midline between the upper and lower dentition and lip |
Gingival exposure | Vertical gingiva display of the upper dentition |
Maxillary incisor exposure | Vertical display of the upper incisors |
Mandibular incisor exposure | Vertical display of the lower incisors |
Smile arc | Coordination of the curvature of upper incisal edge to the superior border of lower lip |
Facial profile | Coordination of the tip of the nose, lip and chin in lateral view |
Inclination of incisors | Labial inclination of upper and lower incisors |