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OBJECTIVE: Assessment of antibacterial properties of a new intracanal paste based on calcium hydroxocuprate (CHC) and silver nanoparticles hydrosol for passive root impregnation. MATERIAL AND METHODS: The study included 55 teeth with 69 root canals belonging patients with chronic apical periodontitis. The main group, including 44 root canals, was filled with a new paste based on CHC and silver nanoparticles for 7 days after preparation and irrigation. In the control group, 25 root canals were sealed with an aqueous paste of calcium hydroxide for 14 days. The presence of the endodontic microorganisms was evaluated by real-time PCR. RESULTS AND DISCUSSION: =0.554). CONCLUSION: These findings suggest that the new method of passive root impregnation with the CHC and silver nanoparticles paste may be an effective method for the treatment of chronical apical periodontitis.
Блинова et al. (Wed,) studied this question.