differentiation of preodontoblasts to odontoblasts and preameloblasts to ameloblasts during development of the mouse mandibular incisor proceeds in a gradient from the area of the odontogenic organ , where undifferentiated ectomesenchymal and epithelial cells proliferate , toward the incisal tip where mature tooth tissues , dentin and enamel , are present .
C0028875
odontoblasts
C1519551
tooth tissues