Fig. 2
From: Pulp regeneration by transplantation of dental pulp stem cells in pulpitis: a pilot clinical study
Isolation of MDPSCs from an autologous discarded tooth. a Primary DPSCs forming a small colony on day 3. b The DPSCs on day 7. The colony increased in size. c MDPSCs at passage 2 of culture on day 3. d MDPSCs at passage 7 of culture on day 5 before cryopreservation