Figure 4. The changes in mineral apposition rate and bone formation rate after 2 wks of occlusal hypofunction and 2 wks of recovered occlusal function of the jaw bone. (a,c) Buccal surface of the jaw bone (region 3). (b,d) Inferior border of the jaw bone (region 4). The data are expressed as means ± SD. N = 5 for each group. *Significantly different from controls, with p < 0.05.