From: Effects of hypodontia on craniofacial structures and mandibular growth pattern
Variable | Mean values ± SD | Norms ± SD | Mean difference | p-Value | |
---|---|---|---|---|---|
Group 1: Upper jaw hypodontia | SNA (°) | 79.93 ± 3.90 | 82.00 ± 2.00 | -2.07 | 0.109 |
SNB (°) | 78.00 ± 5.70 | 80.00 ± 2.00 | -2.00 | 0.272 | |
Hasund index | 88.24 ± 9.19 | 79.00 ± 5.00 | 9.24 | 0.008** | |
Overjet (mm) | 1.87 ± 1.95 | 2.00 ± 1.00 | -0.13 | 0.842 | |
Overbite (mm) | 3.94 ± 1.61 | 2.00 ± 1.00 | 1.94 | 0.003** | |
Group 2 Lower jaw hypodontia | SNA (°) | 80.16 ± 4.32 | 82.00 ± 2.00 | -1,84 | 0.168 |
SNB (°) | 76.49 ± 4.12 | 80.00 ± 2.00 | -3.50 | 0.013* | |
Hasund index | 85.63 ± 5.87 | 79.00 ± 5.00 | 6.63 | 0.002** | |
Overjet (mm) | 3.00 ± 0.93 | 2.00 ± 1.00 | 1.00 | 0.003** | |
Overbite (mm) | 3.60 ± 1.10 | 2.00 ± 1.00 | 1.60 | 0.001** | |
Group 3: both jaw hypodontia | SNA (°) | 80.47 ± 3.62 | 82.00 ± 2.00 | -1.53 | 0.037* |
SNB(°) | 77.42 ± 3.84 | 80.00 ± 2.00 | -2.58 | 0.002** | |
Hasund index | 86.68 ± 9.62 | 79.00 ± 5.00 | 7.68 | 0.000** | |
Overjet (mm) | 2.88 ± 2.21 | 2.00 ± 1.00 | 0.88 | 0.083 | |
Overbite (mm) | 3.90 ± 1.64 | 2.00 ± 1.00 | 1.90 | 0.000** |