title: The qualitative and quantitative bacterial content of stained dentin: an experimental study.
mesh_terms: D003731:Dental Caries / Q000382:microbiology*; D003804:Dentin / Q000382:microbiology*; D006801:Humans; D013291:Streptococcus / Q000032:analysis; D014075:Tooth Discoloration / Q000382:microbiology*