Table 5 Prevalence of malocclusion
From: Oral health status among visually impaired schoolchildren in Northeast China
Variables | N | Anterior crossbite (%) | Dental crowding (%) | Deep overbite/overjet (%) | Others malocclusions (%) | Total (%) | |
|---|---|---|---|---|---|---|---|
Gender | M | 70 | 15 (21.43%) | 7 (10%) | 4 (5.71%) | 1 (1.24%) | 28 (40.00%)* |
F | 33 | 8 (24.24%) | 6 (18.18%) | 8 (24.24%) | 2 (6.06%) | 23 (69.70%) | |
Age (years) | 6–12 | 25 | 3 (12%) | 5 (20%) | 2 (8%) | 1 (4%) | 12 (48.00%) |
13–20 | 78 | 20 (25.64%) | 8 (10.26%) | 10 (12.82%) | 2 (2.56%) | 39 (50.00%) | |
Status of vision impairment | Low vision | 37 | 11 (29.73%) | 7 (18.92%) | 0 (0%) | 0 (0%) | 18 (48.65%) |
Blind | 66 | 12 (18.18%) | 6 (9.09%) | 12 (18.18%) | 3 (4.55%) | 33 (50.00%) | |
Total (%) | 103 | 23 (22.33%) | 13 (12.62%) | 12 (11.65%) | 3 (2.91%) | 51 (49.51%) | |