Tooth enamel formation Coloured scanning electron micrograph SEM of a freezefractured section through a tooth showing the enamelforming cell layer blue This epithelium comprises a single layer of columnlike cells called ameloblasts Enamel green top is a hard ceramic layer that covers and protects the teeth The end of the ameloblasts can be seen originating in the internal tooth tissue brown bottom Magnification x when printed at centimetres wide
