an ultrastructural study of teeth with amelogenesis imperfecta revealed various aspects of microcavities in the enamel surface , which ranged from isolated imprints of ameloblasts corresponding to the mildest lesions at the end of amelogenesis , to pits caused by the death of 20 to 30 ameloblasts at the beginning of amelogenesis .
C0040426
teeth
C0011350
enamel