2015
DOI: 10.1590/1807-3107bor-2015.vol29.0059
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Abstract: The purpose of this in vitro study was to evaluate the effect of various chelating solutions on the radicular push-out bond strength of calcium silicate-based and resin-based root canal sealers. Root canals of freshly-extracted single-rooted teeth (n = 80) were instrumented by using rotary instruments. The specimens were randomly divided into 4 groups according to the chelating solutions being tested: (1) 17% ethylenediaminetetraacetic acid (EDTA); (2) 9% etidronic acid; (3) 1% peracetic acid (PAA); and (4) di… Show more

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Cited by 30 publications
(39 citation statements)
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“…Moreover, the limited accessibility of apical areas to the irrigating solutions to deplete the smear layer impairs the penetration of sealers into the dentinal tubules and reduces the contact between the filling material and the root dentin walls. 28,29 This is supported by the prevalence of adhesive failures at the sealer/dentin interface in the apical third for all experimental procedures in this study. An analysis of the root third and filling technique revealed the same tendency of bond strength reduction towards the apical third, except when the Reciproc single-cone technique was employed.…”
Section: Discussionsupporting
confidence: 62%
“…Moreover, the limited accessibility of apical areas to the irrigating solutions to deplete the smear layer impairs the penetration of sealers into the dentinal tubules and reduces the contact between the filling material and the root dentin walls. 28,29 This is supported by the prevalence of adhesive failures at the sealer/dentin interface in the apical third for all experimental procedures in this study. An analysis of the root third and filling technique revealed the same tendency of bond strength reduction towards the apical third, except when the Reciproc single-cone technique was employed.…”
Section: Discussionsupporting
confidence: 62%
“…, Tuncel et al . ). Reduced dentine hardness can threaten the adhesion and sealing ability of the materials used in dental practice (Pascon et al .…”
Section: Discussionmentioning
confidence: 97%
“…NaOCl may cause changes in dentine collagen fibres, which result in tooth weakening and reduced dentine adhesion forces (Perdigao et al 2000). In addition, the chelating agents used in the root canal may react with calcium ions, altering the dentine microstructure and the calcium/phosphorus ratio (Barbosa et al 1994, Dineshkumar et al 2012, leading to reduced dentine hardness (Qian et al 2011, Aslantas et al 2014, Tuncel et al 2015. Reduced dentine hardness can threaten the adhesion and sealing ability of the materials used in dental practice (Pascon et al 2009).…”
Section: Discussionmentioning
confidence: 99%
“…, Tuncel et al . ). In contrast, other studies reported that different chelating agents removed variable amounts of dentine ions (Spanó et al .…”
Section: Discussionmentioning
confidence: 97%