The tested teeth were extracted 2 weeks, 4 weeks, 12 weeks, and 6 months after the operation.The extracted teeth were examined histopathologically.

 
  • 分别于术后2、4、12 周、6 个月将小型猪快速处死,本文是随机抽样不同时期的4 个对照牙经固定,超声快速脱钙做组织切片,在光镜下观察。
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