Thresholds of Abnormality Perception in Facial Esthetics among Laypersons and Dental Professionals: Profile Esthetics
Table 1
Means and SDs of the esthetic values for the baseline profile image and the manipulated maxillary 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
−9 mm
23.23
27.04
0.000
3.67
2.77
0.000
5.32
3.79
0.000
11.50
15.01
0.000
−7 mm
24.05
20.64
0.000
13.28
9.86
0.000
11.86
8.24
0.000
26.00
16.79
0.000
−5 mm
35.68
25.57
0.000
32.83
19.31
0.000
27.57
12.44
0.000
37.10
18.19
0.000
−3 mm
58.14
26.13
0.165
64.33
15.36
0.250
50.25
9.14
0.000
71.70
10.85
0.083
−1 mm
69.86
23.18
1.00
74.56
13.67
0.998
73.11
9.70
0.566
76.90
18.13
0.629
−0.3 mm (baseline)
71.18
22.30
77.61
17.80
77.48
11.37
84.73
7.19
+1 mm
66.77
25.26
0.992
57.61
28.72
0.019
65.50
15.08
0.000
64.65
21.48
0.002
+3 mm
41.59
25.15
0.001
27.50
16.37
0.000
33.29
9.01
0.000
39.00
17.55
0.000
+5 mm
38.00
23.29
0.000
20.61
18.72
0.000
21.18
6.55
0.000
28.90
13.85
0.000
+7 mm
24.05
21.77
0.000
7.56
8.13
0.000
7.71
5.31
0.000
18.65
14.22
0.000
Significance at as a result of Tukey post hoc test. First significance appeared compared to the baseline image.
