Bone Demineralization, PathologicBone Demineralization TechniqueTooth DemineralizationEstrogensDental EnamelBone and BonesTooth RemineralizationHardness TestsCariostatic AgentsDental Caries Activity TestsMicroradiographyReceptors, EstrogenFluorides, TopicalEstrogen Receptor alphaRoot CariesDentinDental CariesDental Enamel SolubilityBone RemodelingCalcium SignalingTooth Erosion