title: Study of microscopic degradation in teeth.
mesh_terms: D003731:Dental Caries; D003737:Dental Cavity Preparation; D003743:Dental Enamel / Q000032:analysis*; D003804:Dentin / Q000032:analysis* / Q000528:radiation effects; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals / Q000032:analysis; D006801:Humans; D011854:Radiochemistry
chemical_list: D005609:Free Radicals