Table 5: Comparison of the perception of the smile as “attractive” between different groups.

Characteristics Comparison of Dental Students and General Dentists (p value*) Comparison of General Dentists and Lay Persons (p value*) Comparison of Dental Students and Lay Persons (p value*)
Canine length
-1 0.531 0.107 0.07
-0.5 0.704 0.102 0.099
0 0.206 0.473 0.041
0.5 0.063 <0.001 0.011
1 0.693 0.086 0.025
Gingival Height
-1 0.091 0.199 0.01
-0.5 0.449 <0.001 0.013
0 <0.001 0.001 0.385
0.5 0.828 0.036 0.021
1 0.002 0.001 0.197
Golden Proportion (%)
52 0.341 0.48 0.86
57 0.098 0.068 0.55
62 0.37 0.511 0.051
67 0.933 0.857 0.652
72 <0.001 0.013 0.028

*Mann-Whitney U Test.