title: Scanning electron microscopic examination of root canal filling materials.
mesh_terms: D006801:Humans; D066298:In Vitro Techniques; D008855:Microscopy, Electron, Scanning; D012387:Root Canal Filling Materials / Q000627:therapeutic use*; D012389:Root Canal Obturation / Q000379:methods*; D014092:Tooth Root / Q000648:ultrastructure
chemical_list: D012387:Root Canal Filling Materials