title: A study on the microhardness of hypomineralized enamel hitherto accepted as fissure contents.
mesh_terms: D003743:Dental Enamel / Q000033:anatomy & histology / Q000502:physiology*; D003744:Dental Enamel Hypoplasia / Q000473:pathology / Q000503:physiopathology*; D006244:Hardness; D006801:Humans