title: Softening of dentin in caries.
mesh_terms: D003094:Collagen; D003731:Dental Caries / Q000473:pathology*; D003808:Dentin Solubility; D006025:Glycosaminoglycans; D006801:Humans; D006863:Hydrogen-Ion Concentration; D009055:Mouth; D009804:Odontoblasts / Q000382:microbiology
chemical_list: D006025:Glycosaminoglycans; D003094:Collagen