The differences of contends of calcium and phosphate among the groups were significant (P<0.0). The group of spongia gelatini was the lowest and that of pBMG-pBMP group was the highest.
The differences of contends of calcium and phosphate among the groups were significant (P<0.0). The group of spongia gelatini was the lowest and that of pBMG-pBMP group was the highest.
ALP的活性高峰出现在术后～8天，组间钙、磷含量差异具有高度显著性（P＜0．0），明胶海绵组最低，而pBMG－pBMP组含量最高。