Influence of endodontic sealer cement on fibreglass post bond strength to root dentine

Menezes, Murilo S.; Queiroz, Ellyne Cavalcanti; Campos, Roberto Elias; Martins, Luís Roberto Marcondes; Soares, Carlos José

doi:10.1111/j.1365-2591.2008.01378.x

Cited by 65 publications

(104 citation statements)

References 19 publications

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“…Alguns estudos relatam perda de retenção quando utilizados cimentos endodônticos à base de óxido de zinco e eugenol, previamente a cimentação adesiva de pinos de fibra de vidro (19). Por essa razão, o cimento utilizado no presente estudo foi o cimento resinoso AH Plus (DentsplyMaillefer), que apresenta excelente adesão à dentina, baixa citotoxicidade e baixa solubilidade (20).…”

Section: Discussionunclassified

Influência do método de inserção do cimento resinoso na resistência adesiva de pinos de fibra de vidro.

Bassotto

Barreto

Seballos

et al. 2017

JOI

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Section: Discussionunclassified

Influência do método de inserção do cimento resinoso na resistência adesiva de pinos de fibra de vidro.

Bassotto

Barreto

Seballos

et al. 2017

JOI

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“…Bovine teeth were used in this study because they are easier to collect and their age can be standardized [21,27]. According to previous studies, human and bovine teeth have similar properties [28][29][30].…”

Section: Discussionmentioning

confidence: 99%

Effect of internal bleaching agents on the bond strength of glass fiber posts to root dentine

Ferreira

Renovato

Santana

et al. 2016

Rev. Odonto Ciênc. (Online)

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Objective: This study evaluated the effect of internal bleaching agents on the bond strength of glass fiber posts to root dentine. Methods: Seventy bovine teeth were divided into 7 experimental groups (n=10) according to the bleaching agent used: SpH -sodium perborate + 20% hydrogen peroxide; SpW -sodium perborate + distilled water; Cp37 -37% carbamide peroxide; Cp16 -16% carbamide peroxide; Cp10 -10% carbamide peroxide; H -35% hydrogen peroxide; C -no bleaching agent (control). After bleaching, posts were cemented with a self-adhesive resin cement (RelyX U100) and the roots were crosssectioned to obtain two discs from each third. The posts underwent micropush-out testing, and bond strength values (MPa) were analyzed using ANOVA in a split-plot arrangement and the Tukey test (p<0.05). Failure mode was evaluated under confocal microscopy. Results: There were no significant differences between the control and bleaching agent groups. Bond strength was greater in the cervical third of the 16% carbamide peroxide (Cp16) group than in the sodium perborate + 20% hydrogen peroxide (SpH) group. The cervical third had a higher bond strength than the apical third in the 10% carbamide peroxide (Cp10), 16% carbamide peroxide (Cp16) and sodium perborate + distilled water (SpW) groups, and no significant differences in the other groups. Adhesive cement-dentine failure was prevalent in all groups. Conclusion: The use of internal bleaching agents did not decrease the bond strength of glass fiber posts to root dentin.

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“…Phenolic eugenol-based compounds and residues of calcium hydroxide sealers can negatively influence the bond strength between fiber posts and root dentin when adhesive luting is performed immediately after endodontic treatment (7,9). This supposedly occurs due to the incomplete cure reaction of these sealers, which affects the adhesion of resin cements, reducing their bond strength to tooth tissues (7).…”

Section: Introductionmentioning

confidence: 99%

“…The post luting procedure can be performed in the same session of the endodontic therapy (7). However, it is supposed that the unset endodontic sealer can contaminate dentin, interfering on bonding to the root canal walls (8,9), therefore contraindicating post luting immediately after endodontic filling (10).…”

Section: Introductionmentioning

confidence: 99%

“…However, it is supposed that the unset endodontic sealer can contaminate dentin, interfering on bonding to the root canal walls (8,9), therefore contraindicating post luting immediately after endodontic filling (10). Phenolic eugenol-based compounds and residues of calcium hydroxide sealers can negatively influence the bond strength between fiber posts and root dentin when adhesive luting is performed immediately after endodontic treatment (7,9). This supposedly occurs due to the incomplete cure reaction of these sealers, which affects the adhesion of resin cements, reducing their bond strength to tooth tissues (7).…”

Section: Introductionmentioning

confidence: 99%

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Can the Cure Time of Endodontic Sealers Affect Bond Strength to Root Dentin?

et al. 2013

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The cure time of endodontic sealers may influence the bond strength of fiber posts to root dentin. Forty teeth were selected and endodontically filled using calcium hydroxide cement and then divided into 2 groups according to the time elapsed between endodontic filling and post luting (n = 20): Immediately -glass fiber post luting immediately after endodontic filling; and Delayed -post luting performed 7 days after endodontic filling. The roots were also subdivided according to resin cement used for post luting (RelyX ARC and RelyX Unicem). The specimens were stored at 37°C for 24 h and sectioned in six 1-mm-thick slices from cervical, middle and apical thirds. The slice specimens were submitted to a push-out test at a crosshead speed of 0.5 mm/min, and the bond strength values obtained (MPa) were submitted to two-way ANOVA in a split-plot arrangement and Tukey's test (α=0.05). For both RelyX ARC and Unicem, the bond strength was significantly higher when the posts were cemented 7 days after the endodontic treatment. RelyX Unicem showed significantly higher bond strength values than RelyX ARC for both cementation periods. It was concluded that post luting should be made after the complete setting of the root canal sealer. Self-adhesive resin cement should be preferred for fiber post luting.

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Influence of endodontic sealer cement on fibreglass post bond strength to root dentine

Abstract: Endofill interfered negatively with the bond to root dentine along its full length and in the TA when post fixation was delayed for 7 days. Bond strength decreased from crown to apex in all groups.

Cited by 65 publications

References 19 publications

Influência do método de inserção do cimento resinoso na resistência adesiva de pinos de fibra de vidro.

Influência do método de inserção do cimento resinoso na resistência adesiva de pinos de fibra de vidro.

Effect of internal bleaching agents on the bond strength of glass fiber posts to root dentine

Can the Cure Time of Endodontic Sealers Affect Bond Strength to Root Dentin?

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