Table 3 Comparison of DC distance (mm) between the two groups in the pooled sample, in each jaw separately and by mini-implant type
From: Distance to alveolar crestal bone: a critical factor in the success of orthodontic mini-implants
Jaw | Type | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Pooled | Maxilla | Mandible | 1 | 2 | ||||||
Success | Failure | Success | Failure | Success | Failure | Success | Failure | Success | Failure | |
N | 229 | 31 | 188 | 21 | 41 | 10 | 133 | 14 | 96 | 17 |
Min | 2.1 | 2.1 | 3.3 | 2.1 | 2.1 | 2.2 | 2.7 | 2.2 | 2.1 | 2.1 |
Max | 10.9 | 5.0 | 10.9 | 5.0 | 10.2 | 4.4 | 10.9 | 4.7 | 10.4 | 5.0 |
Mean | 7.46 | 3.43 | 7.7 | 3.37 | 6.26 | 3.58 | 7.81 | 3.20 | 6.96 | 3.63 |
SD | 1.7 | 0.81 | 1.67 | 0.9 | 1.37 | 0.59 | 1.61 | 0.96 | 1.71 | 0.63 |
t | 21.819 | 18.712 | 6.144 | 15.728 | 14.401 | |||||
p | < 0.001** | < 0.001** | < 0.001** | < 0.001** | < 0.001** | |||||