The complex constructed above was taken for histological examination.Results Human ginginval epithelia could proliferate well on the surface of ADM, and form multilayer structure.

• 结果：牙龈上皮细胞在体外具备良好的生长增殖能力，且在无细胞真皮支架上形成了复层上皮样组织结构，表层上皮细胞出现部分角化。