Fig. 1.

Main categories of stem cells. ESC embryonic stem cell, iPSC induced pluripotent stem cell, ASC adult stem cell, MSC mesenchymal stem cell, HSC hematopoietic stem cells, BMSC bone marrow stem cell, OBMSC orofacial bone marrow mesenchymal stem cell, DPSC dental pulp stem cell, SHED exfoliated deciduous teeth stem cell, PDLSC periodontal ligament stem cell, DFSC dental follicle stem cell, APSC adult pulp stem cell, OESC oral epithelium stem cell, GSC gingival stem cell, SGSC salivary gland stem cell, ATSC adipose tissue stem cell, SMSC Schneiderian membrane stem cell, PSC periosteum stem cell