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Prevalence and the correlation between traumatic dental injuries (TDI), lip coverage and overjet
| Presence of TDI, N (%) | Absence of TDI, N (%) | Total, N (%) | ||
|---|---|---|---|---|
| Lip coverage | Competent | 170 (23.4) | 555 (76.6) | 725 (93.1) |
| Incompetent | 12 (22.7) | 41 (77.3) | 53 (6.9) | |
| Overjet | <3 mm | 128 (20.7) | 490 (79.3) | 618 (79.5) |
| 3-6 mm | 46 (33.3) | 92 (66.7) | 138 (17.8) | |
| ≥ 6 mm | 8 (36.3) | 14 (63.7) | 22 (2.7) | |
