[Effect of neodymium on the crystal structure of human dental enamel in vitro].

The possibility of neodymium incorporation into hard tissues of permanent teeth has been investigated. The amount of neodymium was determined by X-ray microprobe analysis. The result indicates that different phases of enamel apatite have been recristallised. Neodymium compounds have appeared while the amount of some minerals in enamel have decreased. Neodymium could be an effective agent in stabilization of the apatite structure of dental enamel.