title: [The use of chelating agents for widening of the root canals. Determination of microhardness].
mesh_terms: D002614:Chelating Agents / Q000494:pharmacology / Q000627:therapeutic use*; D003786:Dental Pulp Cavity / Q000187:drug effects / Q000502:physiology*; D003804:Dentin / Q000187:drug effects / Q000502:physiology; D006244:Hardness; D006801:Humans; D012390:Root Canal Therapy / Q000379:methods*
chemical_list: D002614:Chelating Agents
vernacular_title: Verwendung der Chelatverbindungen zur Erweiterung der Wurzelkanäle. Mikrohärteuntersuchungen.