Evaluation of the effect of EDTA, EDTAC and citric acid on the microhardness of root dentine

De‐Deus, Gustavo; Paciornik, Sidnei; Maurício, M. H. P.

doi:10.1111/j.1365-2591.2006.01094.x

Cited by 109 publications

(152 citation statements)

References 28 publications

(59 reference statements)

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“…This is in agreement with other studies which shows similar results (Ari et al, 2004;Cruz-Filho et al, 2011;Sayin et al, 2007;Slutzky-Goldberg et al, 2002). Sodium hypochlorite affects mechanical properties of dentin by damaging the organic dentin components and modifying the calcium/phosphate ratio within the radicular dentin (Basrani & Haapasalo, 2012;Sim et al, 2001) while EDTA enables the decalcification of the inorganic portion of dentin (De-Deus et al, 2006). Vol.…”

Section: Discussionsupporting

confidence: 82%

“…Initial microhardness measurements were performed on the middle third of each root section at 100 μm from the pulp-dentin interface and parallel to the root length. Three indentations spaced at 100 μm apart were made on each specimen using a 50 g load and a 10-second dwell time (Cruz-Filho et al, 2001;De-Deus et al, 2006), resulting in an indentation pattern. The values were averaged to produce one VHN for each specimen.…”

Section: Preparation Of Specimens For Dentin Microhardness Measurementmentioning

confidence: 99%

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The Effect of Zingiber officinale Roscoe (Ginger) on Dentin Microhardness: An in vitro Study

Zaki¹,

Baharin²,

Zaman³

et al. 2017

JAS

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It has been established that conventional root canal irrigants cause detrimental effect on the physico-chemical properties of root dentin. This study aims to determine the effect of a novel root irrigant, ginger or Zingiber officinale Roscoe essential oil on root dentin microhardness. Eighty root halves of extracted human teeth were used and prepared by embedding them individually in autopolymerizing acrylic resin. These samples were then divided into four groups (n = 20 each), i.e., i) 0.5% Z. officinale Roscoe oil, ii) 2.5% sodium hypochlorite (NaOCl, positive control), iii) 17% ethylenediaminetetraacetic acid (EDTA, positive control) and iv) normal saline (negative control). Dentin microhardness was measured using Vickers Microhardness Tester with a 50 g load and a 10-second dwell time, before and after immersion in respective solutions for 5 minutes. Measurements were taken in Vickers hardness number (VHN). All samples showed reduction in the microhardness reading; with Z. officinale Roscoe: 34.24 to 25.89, NaOCl: 31.47 to 26.34, EDTA: 33.08 to 26.04 and saline: 29.82 to 27.61 VHN. Although there was significant reduction within the Z. officinale Roscoe group (p < 0.001), the change was indifferent when compared among groups (post hoc Tukey's HSD test p > 0.05). Within the limitations of this study, Zingiber officinale Roscoe essential oil does alter dentin microhardness but to a similar extent as NaOCl and EDTA.

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Section: Discussionsupporting

confidence: 82%

Section: Preparation Of Specimens For Dentin Microhardness Measurementmentioning

confidence: 99%

The Effect of Zingiber officinale Roscoe (Ginger) on Dentin Microhardness: An in vitro Study

Zaki¹,

Baharin²,

Zaman³

et al. 2017

JAS

View full text Add to dashboard Cite

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“…Traditional work focusing on mechanical properties of radicular dentine after exposure to various root canal irrigants and/or medicaments has utilized Knoop or Vickers indentation techniques to measure microhardness [9][10][11]. However, there are limitations associated with the use of this regular indentation technique to determine radicular dentine microhardness.…”

Section: Manuscriptmentioning

confidence: 99%

A novel approach to evaluate the effect of medicaments used in endodontic regeneration on root canal surface indentation

Yassen¹,

Chu²,

Gallant³

et al. 2013

Clin Oral Invest

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Objectives: To investigate the capability of a novel reference point indentation apparatus to test the indentation properties of root canal surface dentine treated with three intracanal medicaments used in endodontic regeneration. Materials and Methods:Immature human premolars were selected (n=22). Four specimens were obtained from each root and randomly assigned to three treatment groups and a control group. Each specimen was exposed to one of three treatment pastes (triple antibiotic (TAP), double antibiotic (DAP), or calcium hydroxide [Ca(OH) 2 ] or neutral de-ionized water (control) for one or four weeks. After each time-interval, the indentation properties of the root canal dentine surfaces were measured using a BioDent reference point indenter. Two-way ANOVA and Fisher's Protected Least Significant Differences were used for statistical analyses.Results: Significant differences in indentation parameters and estimated hardness between all groups at both time points were found. TAP treated dentine had the highest significant indentation parameters, followed by DAP treated dentine, untreated control dentine and Ca(OH) 2 treated dentine, respectively. Furthermore, TAP treated dentine had the lowest significant estimated hardness, followed by DAP treated dentine, untreated control dentine and Ca(OH) 2 treated dentine, respectively. Conclusion: BioDent reference point indenter was able to detect significant differences in indentation properties of root canal dentine treated with various medicaments.Clinical Relevance: The use of a reference point indenter is a promising approach to characterize the indentation properties of root canal surfaces without any surface modification. This might provide an in vitro mechanical measurement that is more representative of the actual clinical situation.

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“…Estudos comparativos analisaram os efeitos das substâncias queladoras quanto à preservação estrutural e bioquímica da matriz dentinária, ou seja, quais substâncias causam erosões peritubulares e intertubulares. O EDTA demonstrou causar tais deformações estruturais de acordo com o tempo de exposição e de concentração 52,53 . Com 10 minutos de exposição ele se mostrou capaz de remover a smear layer, desobstruir os túbulos dentinários, porém, passou a apresentar erosões peri e intertubulares [52][53][54][55] .…”

Section: Discussionunclassified

“…O EDTA demonstrou causar tais deformações estruturais de acordo com o tempo de exposição e de concentração 52,53 . Com 10 minutos de exposição ele se mostrou capaz de remover a smear layer, desobstruir os túbulos dentinários, porém, passou a apresentar erosões peri e intertubulares [52][53][54][55] . Tais achados de erosão, foram encontrados em outro trabalho, 25 que observou que a irrigação com EDTA-C a 17%, também com um tempo prolongado de 10 minutos, não deve ser usado por provocar erosão da dentina peritubular.…”

Section: Discussionunclassified

A eficácia da solução de EDTA na remoção de smear layer e sua relação com o tempo de uso: uma revisão integrativa

Mafra¹,

Girelli²,

Xavier³

et al. 2017

Rev. da Fac. de Odontologia, UPF

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A eficácia da solução de EDTA na remoção de smear layer e sua relação com o tempo de uso: uma revisão integrativa IntroduçãoO sucesso do tratamento endodôntico está intimamente relacionado à qualidade da limpeza e desinfecção do sistema de canais radiculares (SCR), obtido por meio da eliminação ou pelo menos redução do conteúdo orgânico e inorgânico contaminado do interior dos canais 1,2 . Para atingir tais objetivos, os canais são submetidos ao preparo químico mecâ-nico (PQM).O PQM é considerado um requisito chave para o sucesso da terapia endodôntica, uma vez que consiste na limpeza e modelagem -clean and shape-do

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Evaluation of the effect of EDTA, EDTAC and citric acid on the microhardness of root dentine

Abstract: Overall, citric acid was least effective in reducing dentine hardness whilst EDTA had the strongest effect.

Cited by 109 publications

References 28 publications

The Effect of Zingiber officinale Roscoe (Ginger) on Dentin Microhardness: An in vitro Study

The Effect of Zingiber officinale Roscoe (Ginger) on Dentin Microhardness: An in vitro Study

A novel approach to evaluate the effect of medicaments used in endodontic regeneration on root canal surface indentation

A eficácia da solução de EDTA na remoção de smear layer e sua relação com o tempo de uso: uma revisão integrativa

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