Fig. 8. Means and standard deviations of the Log Ratio (DE/DI) in the Class I and Class II groups. A, Log Ratio for maxillary dentitions. B, Log Ratio 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, unpaired t test.