Table 3.
Descriptive Analysis and Comparison of the Skeletal Variables in Normal and Deep Bite Groups
| Normal Group | Deep Bite Group | t - test | |||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Variable | Min | Mean (S.D) | Max | Min | Mean(S.D) | Max | P-Value |
| Mandibular plane (°) | 18 | 27.62(5.7) | 45 | 15 | 25.01(5.4) | 41 | 0.009** |
| Basal (°) | 12 | 27.60 (6.3) | 52 | 13 | 23.92 (5.9) | 41 | 0.000*** |
| Saddle (°) | 116 | 128.30 (5.9) | 145 | 11 | 127.41(6.4) | 143 | 0.338 |
| Articular (°) | 119 | 144.62 (7.5) | 160 | 123 | 144.67 (7.7) | 165 | 0.963 |
| Gonial (°) | 118 | 130.18 (5.4) | 142 | 114 | 126.40 (5.5) | 142 | 0.000*** |
| Bjork (°) | 384 | 403.15 (7.3) | 423 | 385 | 399.79 (7.1) | 416 | 0.002** |
| Inclination (°) | 72 | 82.15 (3.5) | 89 | 72 | 81.20 (3.5) | 90 | 0.067 |
| Palatal Plane (°) | 4 | 9.81 (3.1 | 18 | 1 | 10.21(3.3) | 20 | 0.486 |
| Ramus-FH (°) | 70 | 80.44 (4.9) | 89 | 65 | 79.60 (5.4) | 90 | 0.278 |
| Jaraback (%) | 50 | 63.21 (4.9) | 78 | 45 | 65.63 (5.3) | 79 | 0.002** |
| TAFH (mm) | 104 | 125.23 (9.7) | 153 | 106 | 125.34 (8.6) | 150 | 0.938 |
| UAFH (mm) | 46 | 61.88 (5.4) | 80 | 55 | 64.68 (4.5) | 81 | 0.000*** |
| LAFH (mm) | 51 | 64.63 (6.4) | 83 | 50 | 61.15 (5.4) | 77 | 0.000*** |
| LAFH/TAFH(%) | 46 | 51.42 (2.6) | 61 | 42 | 49.24 (2.3) | 57 | 0.000*** |
| LAFH/UAFH(%) | 84 | 105.21 (12) | 140 | 75 | 96.08 (9.6) | 131 | 0.000*** |
| Ramus length (mm) | 32 | 47.30 (4.6) | 57 | 35 | 50.49 (6.3) | 69 | 0.000*** |
| PFH (mm) | 65 | 79.21(6.7) | 102 | 65 | 83.34 (8) | 105 | 0.000*** |
Significance (*P< 0.05,
**
P<0.01,
***
P<0.001)