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, % | Malocclusion | Age | Class I, n, % | Class II, n, % | Class III, n, % | Mean, ys | Range, ys |
| Metallic bracket | 2 (20) | 8 (80) | 5 (50) | 5 (50) | 0 (0) | 21.7 | 13–33 | Ceramic bracket | 2 (20) | 8 (80) | 4 (40) | 6 (60) | 0 (0) | 30.1 | 16–44 | Total | 4 (20) | 16 (80) | 9 (45) | 11 (55) | 0 (0) | 25.7 | 13–44 |
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