Mineralization disturbances in the deciduous teeth of children with so called minimal brain dysfunction.

Exfoliated deciduous teeth from 14 children with so called Minimal Brain Dysfunction (MBD) and from 14 age-matched comparison children without MBD were collected and ground sections prepared. The sections were analysed by means of polarized light and microradiography. The enamel in ground sections of deciduous teeth from children with MBD showed a wider neonatal line than normal. The prenatal enamel showed a slight tendency to an increase in the degree of porosity, and the overall severe pathology was more common in the MBD group than in the comparison group.