Effect of aquatine endodontic cleanser on smear layer removal in the root canals of ex vivo human teeth

García, F. DeAsís Riba; Murray, Peter E.; Garcı́a-Godoy, Franklin; Namerow, Kenneth N.

doi:10.1590/s1678-77572010000400014

Cited by 17 publications

(19 citation statements)

References 30 publications

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Section: Reviewmentioning

confidence: 99%

“…When used in association with 17% EDTA, they were similarly effective at removing debris and the smear layer from the entire root canal when assessed using scanning electron microscopy (SEM) and semi-quantitative visual criteria. If no chelating agents were used, then a large amount of smear layer was present for both irrigants (Garcia et al 2010). A different investigation compared a solution denominated 'Anolyte neutral cathodic (ANC)' [pH 7.7 ± 0.5, active chlorine 300 mg L )1 (STEL-10H-120-01)] alone and together with a catholyte solution (not containing chlorine) against 3% NaOCl used to irrigate during root canal preparation.…”

Section: Cleaning Effectivenessmentioning

confidence: 99%

“…Hypochlorous acid-releasing agents described for root canal treatment include NaOCl (Zehnder 2006), sodium dichloroisocyanurate (NaDCC) (Naenni et al 2004) and 'electrochemically activated solutions/ waters' (ECA solutions), denominated also 'superoxidized waters' (SOW), 'oxidative potential waters' (OPW) or 'functional waters' (Marais 2000, Solovyeva & Dummer 2000, Hata et al 2001, Serper et al 2001, Gulabivala et al 2004, Garcia et al 2010.…”

Section: Introductionmentioning

confidence: 99%

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Influence of pH changes on chlorine-containing endodontic irrigating solutions

Rossi‐Fedele¹,

Guastalli²,

Doğramacı³

et al. 2011

International Endodontic Journal

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Chlorine-containing solutions are used for broad disinfection purposes. Water disinfection literature suggests that their disinfectant action depends on pH values as this will influence the available free chlorine forms. Hypochlorous acid (HOCl) has been suggested to have an antimicrobial effect around 80-100 times stronger than the hypochlorite ion. The aim of this paper was to review the influence of pH changes on the efficacy of chlorine-containing endodontic irrigating solutions. An electronic and hand search (articles published through to 2010, including 'in press' articles; English language; search terms 'root canal irrigants AND sodium hypochlorite or hypochlorous acid or superoxidized water or electrochemically activated solution'; 'antimicrobial action AND sodium hypochlorite or hypochlorous acid or superoxidized water or electrochemically activated solution'; 'tissue dissolution AND sodium hypochlorite or hypochlorous acid or superoxidized water or electrochemically activated solution'; 'smear layer AND sodium hypochlorite or hypochlorous acid or superoxidized water or electrochemically activated solution') was performed to identify publications that compared chlorine water solutions with different pH. Of 1304 publications identified, 20 were considered for inclusion in the review. The search resulted in the retrieval of articles studying sodium hypochlorite (NaOCl), superoxidized waters (SOW) and sodium dichloroisocyanurate (NaDCC). Regarding antimicrobial efficacy, the literature suggested that reducing the pH value of NaOCl to between 6 and 7.5 would lead to improved action; SOW was described as having a lower antimicrobial effect. The tissue dissolution activity NaOCl decreased when the pH reached values between 6 and 7.5; NaDCC and SOW had no clinically relevant tissue dissolution capability. Chlorine solutions of different characteristics appeared to have some cleaning efficacy although they should to be used in conjunction with chelating and/or detergent agents.

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Section: Reviewmentioning

confidence: 99%

Section: Cleaning Effectivenessmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Influence of pH changes on chlorine-containing endodontic irrigating solutions

Rossi‐Fedele¹,

Guastalli²,

Doğramacı³

et al. 2011

International Endodontic Journal

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“…The 0.0125% and 0.0250% HOCl revealed similar antibacterial efficacy (> 99.9%) against E. faecalis and S. mutans, when compared with 5.25% NaOCl. Similar outcomes for using HOCl as an endodontic irrigating solution for root canal cleanliness and smear layer removal in the root canals of ex vivo human teeth were verified [31]. In addition, the cytotoxicity of HOCl against pulp cells was mild compared to that of NaOCl solution [32], and this tissue-friendly effect was also confirmed from our study as shown in Figure 1c,d when zebrafish embryos treated with 0.0125% HOCl and 0.0250% HOCl were able to hatch and grow to healthy size when compared with negative control.…”

Section: Discussionmentioning

confidence: 57%

The Antibacterial Efficacy and In Vivo Toxicity of Sodium Hypochlorite and Electrolyzed Oxidizing (EO) Water-Based Endodontic Irrigating Solutions

et al. 2020

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The objective of this study was to evaluate the antibacterial efficacy against Enterococcus faecalis and Streptococcus mutans and in vivo toxicity using embryonic zebrafish assays of sodium hypochlorite (NaOCl) and electrolyzed oxidizing (EO) water (containing hypochlorous acid (HOCl))-based root canal irrigating solutions. Methodology: Using 100 µL microbial count of 1 × 10 8 cfu/mL Enterococcus faecalis to mix with each 10 mL specimen of NaOCl or HOCl for designed time periods. The above protocol was also repeated for Streptococcus mutans. The concentration of viable microorganisms was estimated based on each standardized inoculum using a plate-count method. Zebrafish embryo assays were used to evaluate acute toxicity. Results: All the HOCl or NaOCl treatment groups showed > 99.9% antibacterial efficacy against Enterococcus faecalis and Streptococcus mutans. Zebrafish embryos showed almost complete dissolution in 1.5% NaOCl within 5 min. Both survival rates after being treated with 0.0125% and 0.0250% HOCl for 0.5 min or 1.0 min were similar to that of E3 medium. Conclusions: Both NaOCl and HOCl revealed similar antibacterial efficacy (> 99.9%) against Enterococcus faecalis and Streptococcus mutans. While 1.5% NaOCl fully dissolved the Zebrafish embryos, both 0.0125% and 0.0250% HOCl showed little in vivo toxicity, affirming its potential as an alternative irrigation solution for vital pulp therapy.

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“…Although NaOCl, as endodontic irrigant, has a superior antibacterial efficacy and is accepted as 'gold standard' (Garcia et al 2010), its cytotoxic properties force the Letters in Applied Microbiology 58, 8--15 © 2013 The Society for Applied Microbiology researchers to innovate the current irrigation regimen. Low-temperature atmospheric pressure plasma (LTAPP) is an electrical discharge produced by subjecting one or more gases to electric field, either of constant or alternating amplitude (Moisan et al 2001).…”

Section: Introductionmentioning

confidence: 99%

Efficacy of endodontic applications of ozone and low-temperature atmospheric pressure plasma on root canals infected with Enterococcus faecalis

Kaya

Keçeci

Güldaş

et al. 2013

Lett Appl Microbiol

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Significance and Impact of the Study: The present study handles different perspectives on chemomechanical preparation of root canals. Ozone and low-temperature atmospheric pressure plasma (LTAPP) were investigated to determine whether they could be an alternative for NaOCl. Up to now, chemical solutions (NaOCl, chlorhexidine digluconate, etc.…) have been used to disinfect the root canals. When the reported effects of LTAPP on biological and chemical decontamination were taken into consideration, a question rose whether it has antimicrobial efficacy in root canals infected with E. faecalis. According to the findings of the present study, LTAPP may constitute a promising aid in endodontics in disinfection of root canals. AbstractThis study aimed to compare the antimicrobial efficacy of low-temperature atmospheric pressure plasma (LTAPP) design and gaseous ozone delivery system with 2Á5% NaOCl on Enterococcus faecalis in root canal walls and dentine tubules. The samples were divided into LTAPP (n = 12), ozone (n = 12), NaOCl (positive control, n = 12) and saline (negative control, n = 6) groups. Microbial samples were collected using paper points and dentin chips from root canals. Antimicrobial efficacy was assessed by counting the colonyforming units of Ent. faecalis before and after each irrigation protocol. Data were analysed using Kruskal-Wallis, Wilcoxon signed-rank, Friedman and Bonferroni t (Dunn's test)-tests (P = 0Á05). The microbial sampling with paper points showed antibacterial efficacy of NaOCl, LTAPP, ozone and saline in descending order, respectively (P < 0Á05). The microbial sampling with dentin chips demonstrated a superior efficacy of LTAPP compared with NaOCl in the middle third (P < 0Á05), while both had similar effects in coronal and apical thirds (P > 0Á05). NaOCl and LTAPP were better than ozone at the coronal and middle parts of the root canals (P < 0Á05). These findings led us to suggest that LTAPP, which has no thermal and chemical effects, may be of great aid in endodontic treatment.

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Effect of aquatine endodontic cleanser on smear layer removal in the root canals of ex vivo human teeth

Cited by 17 publications

References 30 publications

Influence of pH changes on chlorine-containing endodontic irrigating solutions

Influence of pH changes on chlorine-containing endodontic irrigating solutions

The Antibacterial Efficacy and In Vivo Toxicity of Sodium Hypochlorite and Electrolyzed Oxidizing (EO) Water-Based Endodontic Irrigating Solutions

Efficacy of endodontic applications of ozone and low-temperature atmospheric pressure plasma on root canals infected with Enterococcus faecalis

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