tooth hard tissue disease dental enamel hypoplasia DOID:693 Deficiency in the enamel tissue that results in the formation of grooves, pits, or dents on the surface of the affected teeth. EFO:1001304 MESH:D003744 MONDO:0004038 NCIT:C34529 SCTID:26597004 UMLS:C0011351 enamel hypoplasia