It was found that apical bud and incisor papilla cells pellet developed into well-formed enamel and dentin tissues, whereas the combination of HERS cells and molar papilla cells produced bone-like dentin tissues. 结果发现:Apicalbud和切牙牙乳头细胞团形成组织结构规则的釉质和牙本质组织,HERS细胞与磨牙牙乳头细胞团形成了骨样牙本质样组织。