Bone Demineralization, PathologicBone Demineralization TechniqueTooth DemineralizationDental EnamelBone and BonesTooth RemineralizationHardness TestsCariostatic AgentsDental Caries Activity TestsMicroradiographyFluorides, TopicalDental CariesRoot CariesDentinDental Enamel SolubilityBone RemodelingTooth ErosionCalcium Signaling