2017
DOI: 10.1590/1807-2577.22816
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Antibacterial activity of intracanal medications based on calcium hydroxide and zinc oxide micro- or nanoparticles: an ex vivo study

Abstract: Introduction Nanoparticles and associations to calcium hydroxide can be used to increase antimicrobial activity. Objective To evaluate antibacterial activity against Enterococcus faecalis and pH of intracanal medications (IM) based on calcium hydroxide (CH) and zinc oxide (ZnO) micro- or nanoparticles, and their association with 0.4% chlorhexidine (CHX). Material and method Root canals from single-rooted human teeth were inoculated and incubated for 21 days. After sample (S1), the root canals were filled wit… Show more

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Cited by 3 publications
(1 citation statement)
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“…However, although positive effects of new zinc-containing dental materials have been shown in the literature, in order to completely replace the traditionally used materials, in vivo studies would be needed to confirm the properties under real conditions and with a larger sample of patients. In addition, the potential toxicity of nanomaterials has attracted the attention of researchers, but there are no recent studies on this issue [22,23].…”
Section: Introductionmentioning
confidence: 99%
“…However, although positive effects of new zinc-containing dental materials have been shown in the literature, in order to completely replace the traditionally used materials, in vivo studies would be needed to confirm the properties under real conditions and with a larger sample of patients. In addition, the potential toxicity of nanomaterials has attracted the attention of researchers, but there are no recent studies on this issue [22,23].…”
Section: Introductionmentioning
confidence: 99%