Bone Demineralization, PathologicBone Demineralization TechniqueTooth DemineralizationOsteoporosisBone and BonesDental EnamelTooth RemineralizationOsteoporosis, PostmenopausalHardness TestsBone DensityCariostatic AgentsDental Caries Activity TestsMicroradiographyFluorides, TopicalBone RemodelingRoot CariesDentinDental CariesDental Enamel SolubilityBone ResorptionTooth Erosion