[Deciduous teeth with fluorosis from a morphological and microanalytical point of view].

Deciduous teeth with enamel fluorosis obtained from a 7 year-old child and normal deciduous teeth were studied by light microscopy and X-ray microanalysis. In the fluorotic teeth, altered architecture of enamel prisms and marked damage of enamel were observed. X-ray microanalysis revealed disturbances in the mineral metabolism of the fluorotic tooth tissues: as compared with normal teeth, an increase in calcium, phosphorus and magnesium content as well as lowered calcium/phosphorus ratio were found in the enamel prisms, interprismatic substance, dentinal tubules and intertubular dentin.