Evaluation of the Interaction between Endodontic Sealers and Dentin Treated with Different Irrigant Solutions

Assis, Danielle Ferreira de; Prado, Maíra do; Simão, Renata Antoun

doi:10.1016/j.joen.2011.08.014

Cited by 68 publications

(85 citation statements)

References 36 publications

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“…These results could be explained by the hydrophobic nature of this sealer (11,12). As both are resin-based sealers, excessive moisture contamination could decrease the monomer conversion, leading to incomplete resin polymerisation and affecting their sealing ability as a consequence (8).…”

Section: Discussionmentioning

confidence: 99%

“…The bond strength between the sealer and the dentinal walls could be affected by the presence of humidity, possibly leading to bond failures and leakage (10). In literature, there have been discussions regarding the different levels of residual humidity and how they could interfere with the sealing ability of endodontic sealers, particularly relative to resin-based sealers, known for their hydrophobic properties (11,12).…”

Section: Original Articlementioning

confidence: 99%

See 1 more Smart Citation

The Influence of Humidity on Intra-tubular Penetration and Bond Strength of AH Plus and MTA Fillapex: An in Vitro Study

Piazza¹,

Rivera-Peña²,

Alcalde³

et al. 2017

Eur Endod J

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Section: Discussionmentioning

confidence: 99%

Section: Original Articlementioning

confidence: 99%

The Influence of Humidity on Intra-tubular Penetration and Bond Strength of AH Plus and MTA Fillapex: An in Vitro Study

Piazza¹,

Rivera-Peña²,

Alcalde³

et al. 2017

Eur Endod J

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“…O Pulp Canal Sealer EWT, que é um cimento com alto padrão de escoamento, teve grande dificuldade de se espalhar na superfície dentinária, visto que a smear layer formada dificultou este escoamento por criar uma superfície de menor rugosidade quando comparada àquela com os túbulos dentinários patentes. De acordo com a lei de Wenzel, quanto maior a rugosidade, maior a capacidade de escoamento de um líquido sobre um sólido 22,23 .…”

Section: Discussionunclassified

Efeito do plasma de oxigênio na dentina previamente exposta ao NaOCl

Prado

Roizenblit

Pacheco

et al. 2016

Rev. odontol. UNESP

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ResumoIntrodução: O tratamento de plasma é uma tecnologia eficaz que pode manter as propriedades internas dos materiais inalteradas após o tratamento, modificando apenas a superfície. Objetivo: Avaliar o efeito do plasma de oxigênio na dentina previamente exposta ao NaOCl 6%. Material e método: Foram utilizados 60 incisivos bovinos. A coroa foi removida, a raiz foi dividida e as faces planificadas, totalizando 120 segmentos referentes ao terço cervical. As amostras foram divididas em dois grupos: controle (imersa em NaOCl 6%, lavada com água destilada, seca, imersa em EDTA 17%, lavada e seca) e plasma de oxigênio (após tratamento descrito no grupo controle, plasma de oxigênio foi aplicado por 30 s). As amostras foram avaliadas qualitativamente em relação à topografia por microscopia eletrônica de varredura, utilizando-se microfotografias com ampliação de 1.000×. O goniômetro Ramé-hart foi utilizado para a mensuração do ângulo de contato entre as superfícies e as seguintes soluções foram utilizadas: água, etilenoglicol e di-iodometano. Em seguida, a energia de superfície, representada pelas componentes polar e dispersiva, foi calculada. Avaliou-se também o escoamento dos cimentos Pulp Canal Sealer EWT (PCS) e Real Sal SE (RS) na superfície dentinária. Os dados foram analisados estatisticamente utilizando os testes Kruskal-Wallis e Mann-Whitney U (p<0,05). Resultado: O tratamento com plasma levou à formação de uma camada semelhante à smear layer na superfície dentinária. Este tratamento levou a um aumento da energia de superfície e da componente polar, favorecendo a hidrofilicidade da superfície. Entretanto, desfavoreceu o escoamento do cimento PCS e não influenciou no escoamento do cimento RS. Conclusão: O plasma de oxigênio ocasionou mudanças topográficas na superfície dentinária, favorecendo a hidrofilicidade desta. Contudo, não favoreceu o escoamento dos cimentos endodônticos na dentina.Descritores: Gases em plasma; hipoclorito de sódio; topografia; propriedades de superfície; molhabilidade. AbstractIntroduction: Plasma treatment is an effective technology since the internal properties of the material is kept unchanged after treatment, modifying only the surface. Objective: To evaluate the effect of oxygen plasma on dentin previously exposed to 6% NaOCl. Material and method: 60 bovine incisors were used. The crown was removed, the root splited and the faces planned amounting 120 segments related to the cervical third. The samples were divided into 2 groups, control (immersed in 6% NaOCl, washed with distilled water, dried, immersed in 17% EDTA, washed and dried) and oxygen plasma (after treatment described in the control group, oxygen plasma was applied for 30s). The samples were evaluated qualitatively in relation to topography by scanning electron microscopy using photomicrographs at 1000× of magnification. The Ramé-hart goniometer was used to measure the contact angle between the surfaces and the following solutions: water, ethyleneglycol, and diiodomethane. Then, surface energy, polar and dispersive compon...

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“…16 Various irrigat ing solutions may cause structural change in the dentin, thereby altering its solubility and permeability characteris tics, and helping in RCT procedure. 17 Hence, we estimated the effect of root fracture strength of different irrigating solutions.…”

Section: 15mentioning

confidence: 99%

Impact of Various Irrigating Agents on Root Fracture: An in vitro Study

Tiwari¹,

Nikhade²,

Chandak³

et al. 2016

The Journal of Contemporary Dental Practice

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Introduction: Irrigating solutions are used for cleaning and removing dentinal debris, and the other remains from pulpal space during biomechanical preparation. Therefore, we evaluated the impact of various irrigating agents on root fracture at 5-minute time exposure. Materials and methods:We sectioned 60 permanent maxillary premolars with fully formed root structures transversely maintaining the root length of approximately 14 mm. Five study groups were made comprising ethylenediaminetetraacetic acid (EDTA), cetrimide, citric acid, and so on as various irrigating agents. A universal force test machine was used to calculate the force which was enough to fracture each root. Analysis of variance (ANOVA) test was used to access the level of significance.Results: About 10% citric acid solution as an irrigating agent showed minimal fracture opposing results, whereas 10% EDTA solution showed the maximum fracture resistance of root portion.Clinical significance: Selection of suitable EDTA concentration that has minimal adverse effect on the mechanical properties of the tooth is very important for the successful management of tooth fracture. Conclusion:About 10% EDTA provided the highest fracture resistance, necessitating the use of irrigating solution in root canal therapy (RCT). Further research with higher and different study groups is required to search for more efficient irrigating solution to improve the outcome of RCT.

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Evaluation of the Interaction between Endodontic Sealers and Dentin Treated with Different Irrigant Solutions

Cited by 68 publications

References 36 publications

The Influence of Humidity on Intra-tubular Penetration and Bond Strength of AH Plus and MTA Fillapex: An in Vitro Study

The Influence of Humidity on Intra-tubular Penetration and Bond Strength of AH Plus and MTA Fillapex: An in Vitro Study

Efeito do plasma de oxigênio na dentina previamente exposta ao NaOCl

Impact of Various Irrigating Agents on Root Fracture: An in vitro Study

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