Figure 2. Microscopic cycle threshold (CT) results of rat maxilla. ^ap<0.05 significant differences in comparison with sham group, ^bp<0.05 significant differences in comparison with model group. A: microscopic CT scan (sham group, model group, experiment group); B: Bone volume to total volume fraction; C: Trabecular thickness; D: Trabecular number; E: Trabecular separation.