Table 3 Relation between the magnitude of anterior open bite (AOB) and the type of dyslalia, praxia, and intraoral structures
Variable | AOB magnitude, n (%) | |||
|---|---|---|---|---|
Mild | Moderate | Severe | ||
Type of dyslalia | Total | |||
Distortion | 28 (28 %) | 65 (65 %) | 7 (7.0 %) | 100 |
Omission | 0 (0.0 %) | 0 (0.0 %) | 0 (0.0 %) | 0 |
Substitution | 0 (0.0 %) | 1 (100 %) | 0 (0.0 %) | 1 |
Distortion and replacement | 0 (0.0 %) | 1 (100 %) | 0 (0.0 %) | 1 |
No dyslalia | 7 (23.3 %) | 21 (70 %) | 2 (6.7 %) | 30 |
Movement of lips right and left together | ||||
Accomplished | 29 (24.6 %) | 80 (67.8 %) | 9 (7.6 %) | 118 |
Not accomplished | 6 (42.9 %) | 8 (57.1 %) | 0 (0.0 %) | 14 |
Palatal rugae | ||||
Normal | 20 (23.8 %) | 59 (70.2 %) | 5 (6.0 %) | 84 |
Thick | 8 (25 %) | 21 (65.6 %) | 3 (9.4 %) | 32 |
Thin | 7 (43.8 %) | 8 (50 %) | 1 (6.3 %) | 16 |
Palatal sensitivity | ||||
Normal | 22 (23.4 %) | 65 (69.1 %) | 7 (7.4 %) | 94 |
Reduced | 11 (33.3 %) | 20 (60.6 %) | 2 (6.1) | 33 |
Increased | 2 (40 %) | 3 (60 %) | 0 (0.0 %) | 5 |