From: The maxillary incisor labial face tangent: clinical evaluation of maxillary incisor inclination in profile smiling view and idealized aesthetics
Inclination (°)
Median
First quartile
Third quartile
70
5
4
6
75
2
80
3
85
1
90
95
7
100
105
9
8
110
10
115
11
120
12