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Effect of peracetic acid used as single irrigant on the smear layer, adhesion, and penetrability of AH Plus
Keine, Katia Cristina; Kuga, Milton Carlos; Tormin, Fernanda Borges Cunha; Venção, Ana Carolina; Duarte, Marco Antonio Hungaro; Chávez-Andrade, Gisselle Moraima; Faria, Gisele.
  • Keine, Katia Cristina; São Paulo State University. School of Dentistry. Department of Restorative Dentistry. Araraquara. BR
  • Kuga, Milton Carlos; São Paulo State University. School of Dentistry. Department of Restorative Dentistry. Araraquara. BR
  • Tormin, Fernanda Borges Cunha; São Paulo State University. School of Dentistry. Department of Restorative Dentistry. Araraquara. BR
  • Venção, Ana Carolina; São Paulo State University. School of Dentistry. Department of Restorative Dentistry. Araraquara. BR
  • Duarte, Marco Antonio Hungaro; University of São Paulo. School of Dentistry. Department of Restorative Dentistry, Dental Materials and Endodontics. Bauru. BR
  • Chávez-Andrade, Gisselle Moraima; São Paulo State University. School of Dentistry. Department of Restorative Dentistry. Araraquara. BR
  • Faria, Gisele; São Paulo State University. School of Dentistry. Department of Restorative Dentistry. Araraquara. BR
Braz. oral res. (Online) ; 33: e057, 2019. tab, graf
Article in English | LILACS | ID: biblio-1011660
ABSTRACT
Abstract The aim of this study was to evaluate the effect of peracetic acid (PAA) as a single irrigant on the smear layer, on the intraradicular dentinal bond strength, and on the penetrability of an epoxy-based resin sealer into the dentinal tubules. A total of 120 roots were distributed into 4 groups according to the irrigant used in root canal preparation 1% PAA (PAA); 2.5% NaOCl followed by final irrigation with 17% EDTA and 2.5% NaOCl (NaOCl-EDTA-NaOCl); 2.5% NaOCl (NaOCl); and saline solution (SS). The smear layer was evaluated using scanning electron microscopy. The bond strength of an epoxy-based resin sealer (AH Plus) to root dentin was evaluated by the push-out test and penetrability of the sealer into dentinal tubules was observed by confocal laser microscopy. The results were analyzed by the Kruskal-Wallis and the Dunn post-test (α = 0.05). The use of 1% PAA as single root canal irrigant provided smear layer removal and improved the penetrability and bond strength of AH Plus to root dentin in a manner similar to that of the NaOCl-EDTA-NaOCl group (p > 0.05). The NaOCl and SS groups had higher values of smear layer and lower values of sealer penetrability and dentin bond strength than the PAA and NaOCl-EDTA-NaOCl groups (p < 0.05). Thus, 1% PAA has the potential to be used as a single irrigant in root canals.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Peracetic Acid / Root Canal Filling Materials / Root Canal Irrigants / Smear Layer / Dental Pulp Cavity / Dentin / Epoxy Resins Type of study: Evaluation studies Limits: Humans Language: English Journal: Braz. oral res. (Online) Journal subject: Dentistry Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: São Paulo State University/BR / University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Peracetic Acid / Root Canal Filling Materials / Root Canal Irrigants / Smear Layer / Dental Pulp Cavity / Dentin / Epoxy Resins Type of study: Evaluation studies Limits: Humans Language: English Journal: Braz. oral res. (Online) Journal subject: Dentistry Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: São Paulo State University/BR / University of São Paulo/BR