Bone Demineralization, PathologicHypophosphatasiaBone Demineralization TechniqueTooth DemineralizationBone and BonesDental EnamelCalcium IsotopesActivation AnalysisTooth RemineralizationBone RemodelingBone ResorptionHardness TestsCariostatic AgentsDental Caries Activity TestsBone DensityMicroradiographyHydroxycholecalciferolsCalcium, DietaryDihydroxycholecalciferolsFluorides, TopicalCalciumRoot CariesDentinDental CariesFemurDental Enamel SolubilityBone MarrowTooth ErosionCalcium SignalingCalcitriol