Table 6 Frequency of labial alveolar bone area (ABA) increase and decrease in upper four incisors among different ways of tooth movement using a Pearson X2 Test (n = 152)
Apex displacement | Inclination | Labial ABA Increase (+) | Labial ABA Decrease (−) | X2 | P Value |
|---|---|---|---|---|---|
Labial (+) | Decrease (−) | 9 | 29 | 33.1 | < 0.001 |
Palatal (−) | Increase (+) | 23 | 3 | ||
Palatal (−) | Decrease (−) | 61 | 27 |