The presence of different types of MSC populations in teeth has been described, which depending on the harvest site are called dental pulp stem cells (DPSCs), periodontal ligament stem cells (PDLSCs), apical papilla stem cells (SCAPs), dental follicle stem cells (DFSCs), and gingival tissue stem cells (GMSCs). Flow cytometric analysis, of isolated mesenchymal cells from the Molar tooth express matrix receptors (CD44, CD105). These cells do not express hematopoietic lineage markers (CD34, CD45).