Fig. 5. Means and standard deviations of the root inclination between the dentition and basal bone plane in the Class I and Class II groups. A, Root inclination for maxillary dentitions. B, Root inclination for mandibular dentitions. 1, central incisor; 2, lateral incisors; 3, canine; 4, first premolar; 5, second premolars; 6, first molar; 7, second molar. *P < 0.05, **P < 0.01, ***P < 0.001, unpaired t tests.
