title: Differentiation of two layers of carious dentin by staining.
mesh_terms: D004396:Coloring Agents; D003731:Dental Caries / Q000473:pathology*; D003804:Dentin / Q000033:anatomy & histology*; D006801:Humans; D013194:Staining and Labeling
chemical_list: D004396:Coloring Agents