Dental EnamelAmelogenesisDental Enamel ProteinsAmeloblastsAmelogeninMatrix Metalloproteinase 20Amelogenesis ImperfectaToothTooth CalcificationDental Enamel HypoplasiaEnamel OrganIncisorOdontogenesisMolarTooth DiscolorationOdontoblastsFluoridesCalcium PhosphatesDental Enamel SolubilityKallikreinsDurapatiteMicroscopy, Electron, ScanningEnamel MicroabrasionTooth RemineralizationTooth ErosionGene Expression Regulation, DevelopmentalDental Enamel PermeabilityDentinCariostatic AgentsMice, KnockoutHardnessDental BondingAcid Etching, DentalPhosphoric AcidsOrthodontic BracketsTooth, DeciduousFluorosis, DentalDental CariesHardness TestsMicroradiographyTooth AbrasionComposite ResinsShear StrengthDentifricesMaterials TestingTooth Bleaching AgentsDental Stress AnalysisBicuspidDental EtchingTooth CrownDental CementsBisphenol A-Glycidyl MethacrylateSurface PropertiesAdhesivesDental PellicleTooth WearMethacrylatesDentin-Bonding AgentsTooth Resorption