Thresholds of Abnormality Perception in Facial Esthetics among Laypersons and Dental Professionals: Profile Esthetics
Table 2
Means and SDs of the esthetic values for the baseline profile image and the manipulated mandibular retrusion and protrusion images as perceived by the four raters’ groups.
Images
Laypersons (N = 30)
GDPs (N = 30)
Orthodontists (N = 30)
OMF surgeons (N = 30)
Mean
SD
Sig
Mean
SD
Sig
Mean
SD
Sig
Mean
SD
Sig
−13 mm
27.32
21.57
0.000
11.50
12.74
0.000
7.46
5.70
0.000
29.70
16.21
0.000
−11 mm
23.73
17.58
0.000
15.83
11.04
0.000
12.43
7.94
0.000
22.50
15.87
0.000
−9 mm
41.41
26.04
0.000
35.89
21.33
0.000
29.43
8.72
0.000
44.05
13.91
0.000
−7 mm
44.73
23.51
0.006
52.44
29.32
0.001
43.96
11.99
0.000
41.95
17.12
0.000
−5 mm
73.77
21.37
0.996
82.28
12.72
0.983
79.71
12.11
0.000
72.15
24.19
0.890
−3.5 mm (baseline)
69.61
22.46
77.36
12.38
64.79
13.36
78.68
11.90
2 mm
71.86
24.75
1.00
82.83
18.69
0.936
72.04
13.52
0.192
80.50
11.11
1.00
0 mm
59.41
27.24
0.825
62.72
19.89
0.010
42.75
17.42
0.000
56.35
18.70
0.000
+2 mm
33.00
21.75
0.000
29.78
17.50
0.000
24.68
8.90
0.000
32.70
12.78
0.000
+4 mm
30.00
24.32
0.000
15.39
10.68
0.000
11.07
7.50
0.000
26.60
15.00
0.000
+6 mm
23.64
25.10
0.000
6.22
9.56
0.000
5.61
3.84
0.000
13.50
13.20
0.000
Significance at as a result of Tukey post hoc test. First significance appeared compared to the baseline image.
