Upper left first molar of a rat randomly from each group was split and the freshly coronal pulp was obtained for TEM observation.

  • 在每组中随机抽取一只大鼠,处死后劈开左侧上颌M1牙冠,取出牙髓经固定后切片,进行透射电镜观察。

  • 互联网摘选 2025-01-20 11:41:03

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