Additional file 2: of Composite cell sheet for periodontal regeneration: crosstalk between different types of MSCs in cell sheet facilitates complex periodontal-like tissue regeneration

Microscopic appearance of the scaffold materials and the adhesion of the cells to the scaffolds. (A, B) CBB showed a porous structure, and (E, F) the surface of hTDM showed dentinal tubules were sufficiently exposed. (C, D, G, H) The hPDLSCs and hJBMMSCs could adhere to these two scaffolds well, proliferate adequately, and extend excessively on the surface of CBB and hTDM. (PDF 511 kb