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. 2020 Nov 19;12:563–570. doi: 10.2147/CCIDE.S272226

Table 4.

Distribution of Attractiveness Scores of Different Smile Variables Across Profession Groups and Gender

Variables Profession Gender
Orthodontists, Mean (±SD)
(n=70)
Dentists, Mean (±SD)
(n=86)
Laypeople, Mean (±SD)
(n=60)
Male, Mean (±SD)
(n=118)
Female, Mean (±SD)
(n=98)
Ideal 2.20 (0.67) 2.22 (0.72) 2.33 (0.75) 2.12 (0.68) 2.40 (0.71)*
Buccal corridor space
 Narrow 2.76 (0.94) 2.72 (0.92) 2.43 (0.91) 2.55 (0.94) 2.78 (0.90)
 Wide 2.33 (0.74) 2.33 (0.71) 2.30 (0.79) 2.35 (0.68) 2.29 (0.79)
Gingival display (mm)
 1 2.79 (0.99) 2.60 (0.91) 2.77 (0.81) 2.57 (0.91) 2.88 (0.89)*
 2 2.49 (0.89) 2.58 (0.91) 2.63 (0.86) 2.47 (0.84) 2.68 (0.94)
 3 3.03 (0.98) 3.08 (0.99) 3.20 (0.86) 3.05 (1.02) 3.15 (0.87)
 4 3.01 (0.88) 3.20 (0.85) 3.13 (0.85) 3.10 (0.87) 3.14 (0.85)
Midline diastema (mm)
 1 3.17 (0.68) 3.05 (0.77) 3.17 (0.79) 3.06 (0.74) 3.19 (0.74)
 2 3.39 (0.73) 3.35 (0.69) 3.30 (0.83) 3.28 (0.71) 3.43 (0.77)
 3 4.23(0.62) 4.22 (0.76) 4.12 (0.69) 4.19 (0.73) 4.20 (0.66)
 4 4.20 (0.74) 4.27(0.74) 3.98 (0.89) 4.19 (0.75) 4.14(0.83)

Note: *Significant at P<0.05.