Table 1 Intraclass correlation coefficient values of 3D esthetic analysis workflow and 2D esthetic analysis methods

Length of upper incisor

0.999

0.963

30

Width of upper anterior tooth

0.999

0.992

90

Overbite

0.998

0.982

30

Overjet

1.000

0.876

30

Incisor exposure at rest position

0.998

0.981

30

Gingival exposure when smiling

0.996

0.984

30

Distance between incisor midline and facial midline

0.987

0.859

15

Distance between upper lip and E line

0.993

0.897

15

Nasolabial angle

0.973

0.916

15