Table 1. Characteristics of the participants.

n=480	N (%)	Mean±SD
Gender
Male	151 (31.46)
Female	329 (68.54)
Age		21.36±8.39
<18 years	220 (45.83)	13.99±1.84
18–30 years	177 (36.88)	24.00±3.36
≥30 years	83 (17.29)	35.24±4.78
Types of appliances
Fixed appliance	331 (68.96)
Clear aligner	131 (27.29)
Removable appliance	18 (3.75)
Medical institution
General hospital	295 (61.46)
Stomatological hospital	103 (21.46)
Dental clinic	82 (17.08)