Amelogenesis ImperfectaAmelogenesisDental Enamel ProteinsAmeloblastsAmelogeninMatrix Metalloproteinase 20Dental EnamelDental Enamel HypoplasiaTooth CalcificationEnamel OrganPhenotypeIncisorTooth DiscolorationToothOdontoblastsTooth AbnormalitiesCodon, NonsenseTooth GermOpen BiteTooth ResorptionMolarOdontogenesisKallikreinsTooth, DeciduousDentinPedigreeMutationMicroscopy, Electron, ScanningGenes, RecessiveMolecular Sequence DataExons