Influence of Lip Appearances and Tooth Shade on Smile Attractiveness Perception
Table 1
Median (interquartile range) visual analog scale scores for smile attractiveness perception as evaluated using a combination variable (lip thickness × lipstick color × tooth shade) by all participants and each rater group.
Variables (lip thickness, lipstick color and tooth shade)
All (N = 212)
Dentists (N = 53)
Laypersons (N = 53)
Dental students (N = 53)
Other faculty students (N = 53)
Tk
R
0M1
4.74 (3.81) cd
5.55 (3.57) Abc
5.30 (4.26) Ab
3.53 (4.08) Bb
4.36 (3.76) Bc
0M3
4.93 (4.27) d
4.94 (3.84) Ac
4.88 (3.52) ABb
4.02 (4.19) Bbc
5.43 (4.25) Ac
A1
4.80 (4.68) cd
5.41 (3.53) Ac
4.42 (5.50) Aab
4.58 (5.08) Ab
4.89 (4.32) Ac
0M1
3.66 (3.74) b
4.40 (3.29) Aa
4.88 (3.98) Ab
2.29 (4.05) Bb
4.13 (4.01) Ab
0M3
4.08 (3.65) b
4.43 (3.77) Ab
4.3 (3.12) Ab
2.37 (2.98) Bb
4.70 (3.81) Ac
A1
3.76 (3.97) b
4.30 (3.23) Ab
3.83 (4.79) Aa
2.65 (3.61) Bb
4.00 (4.68) Ab
O
0M1
3.43 (3.91) b
4.84 (3.84) Ab
3.36 (3.25) Aa
1.73 (2.57) Bab
3.98 (4.84) Ab
0M3
3.69 (3.58) b
4.54 (3.28) Ab
3.34 (3.4) Aa
2.63 (4.08) Ab
4.34 (3.62) Ab
A1
3.31 (3.99) d
4.64 (3.66) Ab
3.35 (3.62) Aa
1.97 (3.38) Bb
3.76 (3.36) Ab
M
R
0M1
4.94 (5.14) d
5.16 (3.39) Ac
5.20 (4.49) Ab
3.96 (3.68) Bb
5.45 (5.05) Ac
0M3
4.84 (3.99) cd
5.6 (3.37) Ac
5.32 (4.48) Ab
3.35 (3.90) Bb
4.98 (4.57) Ac
A1
4.28 (3.82) dc
4.68 (3.95) Ab
4.6 (3.57) Ab
3.41 (3.80) Bb
3.99 (4.31) Ab
0M1
4.38 (4.21) c
4.47 (5.20) Ab
4.57 (4.22) Ab
3.36 (3.42) Bb
4.81 (5.01) Ac
0M3
3.25 (4.54) b
3.38 (4.22) Aa
3.66 (4.32) Aa
2.33 (4.34) Ab
2.91 (4.66) Ab
A1
3.98 (3.80) b
4.19 (2.95) Ab
4.54 (3.93) Aa
2.42 (4.09) Bb
4.19 (3.65) Ab
O
0M1
4.61 (3.87) c
4.90 (3.12) Ab
4.98 (3.52) Ab
2.42 (3.51) Bb
5.13 (3.52) Ac
0M3
3.78 (3.49) bc
4.50 (3.70) Ab
3.96 (3.12) Aa
2.95 (2.77) Bb
3.92 (4.15) Ab
A1
3.10 (3.71) a
4.41 (4.10) Aa
3.45 (3.67) Aa
1.65 (2.08) Bab
2.86 (3.27) ABa
Th
R
0M1
3.14 (3.78) b
3.48 (3.95) Aa
3.74 (3.65) Aa
2.14 (2.85) Bb
2.89 (3.84) ABa
0M3
3.25 (4.56) b
4.1 (3.86) Aa
4.43 (5.21) Aa
2.12 (3.42) Bb
2.89 (3.84) Ab
A1
2.63 (3.68) a
3.49 (4.14) Aa
3.03 (3.53) ABa
1.6 (3.20) Cab
2.23 (2.84) Ba
0M1
2.54 (4.05) a
3.09 (3.93) AB
3.42 (4.66) AC
1.73 (2.76) D
2.53 (4.98) BCD
0M3
2.37 (4.00) a
2.93 (3.72) Aa
3.49 (4.21) Aa
1.11 (1.96) Ba
2.37 (4.14) Aa
A1
2.32 (3.48) a
3.01 (3.39) Aab
3.00 (3.40) Aa
1.3 (2.86) Bab
2.03 (2.69) ABa
O
0M1
3.20 (3.88) a
3.61 (3.95) Aa
3.83 (3.74) Aa
1.84 (2.67) Bab
3.25 (4.25) Aa
0M3
2.47 (3.91) ab
2.85 (4.56) ABab
3.96 (3.12) Aba
1.65 (2.05) Cab
2.37 (3.67) Ba
A1
2.19 (3.86) a
3.23 (3.90) Aab
3.53 (4.06) Aa
1.3 (2.36) Bab
1.88 (3.66) Ba
Different uppercase and lowercase letters demonstrate statistically significant difference within the same row and the same column, respectively. Tk, thick; M, Medium; Th, thin; R, Red; , Pink; O, Orange; 0M1, 0M3, and A1, tooth shades.
