Fig. 1From: The effects and potential applications of concentrated growth factor in dentin–pulp complex regenerationThe histological and morphological observation of the CGF. a The blood samples after centrifugation yield a three-layer product consisting of the upper plaletet poor plasma(PPP) and lower red blood cell (RBC) layers with concentrated growth factor (CGF) gel in the middle. b The concentrated growth factor (CGF) gel is divided into 3 parts: the upper white part (WP) and lower red portions (RP) with the buffy coat (BC) in the middle. c The ultrastructure of the CGF (scanning electron microscopy observation): numerous cellular components including platelets, red blood cells leucocytes, and CD34-positive cells are embedded in the three-dimensional networkBack to article page