title: IMPROVED BACTERIOLOGIC TECHNIQUES FOR MARGINAL PENETRATION STUDIES.
mesh_terms: D000891:Anti-Infective Agents, Local; D001419:Bacteria; D001431:Bacteriological Techniques; D003101:Collodion; D003764:Dental Materials; D010600:Pharmacology; D012106:Research; D012389:Root Canal Obturation; D013242:Sterilization
chemical_list: D000891:Anti-Infective Agents, Local; D003764:Dental Materials; D003101:Collodion
keywords: ANTI-INFECTIVE AGENTS, LOCAL; BACTERIA; BACTERIOLOGICAL TECHNICS; COLLODION; DENTAL MATERIALS; EXPERIMENTAL LAB STUDY; PHARMACOLOGY; ROOT CANAL OBTURATION; STERILIZATION