Table 2 Deleterious habits by type of vertical dental malocclusion in patients aged 6 to 12 years
Present | Normal (n = 69) | Edge-to-edge Bite (n = 12) | Anterior open bite (n = 17) | Anterior deep bite (n = 28) | p |
|---|---|---|---|---|---|
Atypical swallowing | 14 | 11 | 7 | 10 | < 0.001* |
Onychophagia | 23 | 1 | 6 | 7 | 0.305* |
Thumb sucking | 5 | 2 | 3 | 5 | 0.366* |
Labial sucking | 3 | 1 | 0 | 3 | 0.389† |
Mouth breathing | 3 | 2 | 0 | 2 | 0.214† |
Mixed breathing | 36 | 9 | 9 | 9 | 0.080* |
Anteroposition | 41 | 9 | 7 | 15 | 0.305* |
Retroposition | 3 | 1 | 2 | 1 | 0.444† |