Fig. 2From: Effect of carbonate apatite as a bone substitute on oral mucosal healing in a rat extraction socket: in vitro and in vivo analyses using carbonate apatiteDirect effects of carbonate apatite on OECs and FBs. A Scanning electron microscopy images of OECs or FBs on the materials. B The number of cells on the materials (n = 6, *p < 0.05). C Quantification of Sirius red staining for collagen expression of FBs on the materials. Control: culture dish, CO3Ap: carbonate apatite disc, HAp: hydroxyapatite discBack to article page