Studies on the formation of dentin - pulp complex in vivo include tertiary dentinogenesis of mature teeth at the dentin - pulp border and pulp regeneration or bioengineering of mature tooth structure by tissues or cells possessed of potential tooth - forming signals 摘要牙本质牙髓复合体在体形成研究包括牙齿发育完成后在各种因素下形成的第三期牙本质和成牙组织、细胞在口腔以外部位形成牙齿样结构两方面。