Research Article

A Clinical Comparison of Failure Rates of Metallic and Ceramic Brackets: A Twelve-Month Study

Table 1

Gender and age distribution between groups.

Males, n, %Females, n, %MalocclusionAge
Class I, n, %Class II, n, %Class III, n, %Mean, ysRange, ys

Metallic bracket2 (20)8 (80)5 (50)5 (50)0 (0)21.713–33
Ceramic bracket2 (20)8 (80)4 (40)6 (60)0 (0)30.116–44
Total4 (20)16 (80)9 (45)11 (55)0 (0)25.713–44