Fig. 2From: Remineralization of dentin slices using casein phosphopeptide–amorphous calcium phosphate combined with sodium tripolyphosphateTransmission electron microscopy (TEM) micrographs of remineralized dentin slices. a TEM image (×30,000) of Group A after treatment for 21 days; b TEM image (×30,000) of Group B after treatment for 21 days. The periodic transverse bands were found in the dentin collagen fibrils of group B (arrow)Back to article page