title: A comparison of Hydron root canal filling material and gutta percha obturation.
mesh_terms: D006171:Gutta-Percha / Q000592:standards*; D006801:Humans; D012387:Root Canal Filling Materials / Q000592:standards*; D012389:Root Canal Obturation
chemical_list: D012387:Root Canal Filling Materials; D006171:Gutta-Percha