Bone Demineralization, PathologicBone Demineralization TechniqueTooth DemineralizationDental EnamelBone and BonesTooth RemineralizationHardness TestsCariostatic AgentsDental Caries Activity TestsMicroradiographyFluorides, TopicalRoot CariesDentinDental CariesDental Enamel SolubilityBone RemodelingTooth Erosion