title: Microbiological evaluation of the Unitek Obtura heated gutta-percha delivery system.
mesh_terms: D001419:Bacteria / Q000302:isolation & purification*; D004202:Disinfectants / Q000008:administration & dosage; D004866:Equipment Contamination; D004867:Equipment Design; D006171:Gutta-Percha / Q000008:administration & dosage*; D006358:Hot Temperature; D012390:Root Canal Therapy / Q000295:instrumentation*
chemical_list: D004202:Disinfectants; D006171:Gutta-Percha