Influence of Lip Appearances and Tooth Shade on Smile Attractiveness Perception
Table 2
Median (interquartile range) and mean (standard deviation) of the visual analog scale score for smile attractiveness perception as evaluated by each variable (lip thickness, lipstick color, and tooth shade) by all participants and each rater group.
Rater group
Variable
Lip thickness
Lipstick color
Tooth shade
Thick
Medium
Thin
Red
Pink
Orange
0M1
0M3
A1
All
4.26 (4.18)
4.15 (4.00)
2.67 (3.95)
4.33 (4.28)
3.34 (4.02)
3.36 (3.85)
3.95 (4.13)
3.73 (4.18)
3.36 (4.02)
4.32 (2.68)
4.28 (2.62)
3.29 (2.60)
4.45 (2.72)
3.75 (2.68)
3.69 (2.56)
4.15 (2.70)
4.00 (2.71)
3.73 (2.60)
A
A
B
A
B
B
A
B
B
Dentists
4.73 (3.81)
4.71 (3.81)
3.34 (3.90)
4.85 (4.01)
4.04 (3.54)
4.36 (3.84)
4.58 (3.77)
4.54 (3.90)
4.25 (3.76)
4.82 (2.48)
4.77 (2.35)
3.67 (2.44)
4.49 (2.47)
4.07 (2.52)
4.24 (2.37)
4.54 (2.46)
4.41 (2.48)
4.30 (2.50)
Aa
Aa
Ba
Aa
Ba
Ba
Aa
Aab
Aa
Lay persons
4.34 (3.92)
4.57 (3.77)
3.53 (3.98)
4.69 (4.33)
3.98 (4.06)
3.85 (3.47)
4.58 (3.88)
4.34 (3.90)
3.68 (3.93)
4.56 (2.64)
4.60 (2.66)
3.99 (2.78)
4.80 (2.74)
4.23 (2.73)
4.12 (2.60)
4.65 (2.72)
4.47 (2.74)
4.03 (2.62)
Aa
Aa
Ba
Aa
Ba
Ba
Aa
Ba
Ba
Dental student
2.63 (3.98)
2.89 (3.66)
1.71 (2.58)
3.12 (3.98)
2.08 (3.37)
1.93 (3.30)
2.42 (3.06)
2.31 (3.69)
2.12 (3.71)
3.32 (2.60)
3.25 (2.36)
2.33 (2.10)
3.59 (2.59)
2.72 (2.31)
2.59 (2.18)
3.07 (2.42)
2.94 (2.41)
2.89 (2.38)
Ab
Ab
Bb
Ab
Bb
Bb
Ab
Ac
Ab
Other faculty student
4.57 (4.19)
4.34 (4.20)
2.44 (3.85)
4.19 (4.61)
3.47 (4.48)
3.55 (3.95)
4.26 (4.51)
3.89 (4.77)
3.27 (4.02)
4.57 (2.75)
4.49 (2.80)
3.85 (2.72)
4.45 (2.86)
3.99 (2.87)
3.80 (2.71)
4.35 (2.86)
4.18 (2.91)
3.70 (2.67)
Aa
Aac
Bc
Ac
Ba
Bc
Aa
Ba
Bc
Different uppercase and lowercase letters demonstrate statistically significant difference within the same row of each dependent variable (lip thickness, lipstick shade, and tooth shade) and the same column, respectively.
