Repair of silorane composite—Using the same substrate or a methacrylate-based composite?

Wiegand, Annette; Stawarczyk, Bogna; Buchalla, Wolfgang; Tauböck, Tobias T.; Özcan, Mutlu; Attin, Thomas

doi:10.1016/j.dental.2011.10.008

Cited by 40 publications

(68 citation statements)

References 20 publications

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“…Previous researchers, 22,[24][25][26][27] who used silane primer in repairing methacrylate-based resin composite, proved that it had no significant effect in the repair bond strength. On the contrary, some researchers 5,10 confirmed the important role of silane primer when silorane-based resin composite was repaired with methacrylate-based adhesive/ repair composite but not with the silorane-based intermediate adhesive agent/repair composite. However, it should be emphasized that these studies used a shear mode of testing as well as different methacrylate-based intermediate adhesive agents.…”

Section: Discussionmentioning

confidence: 99%

“…Based on these findings, the first null hypothesis was accepted. Previous studies proved that it is possible to repair a silorane-based composite with the same material 5,9,10 or even in combination with dimethacrylate-based adhesive/composite 9 if the appropriate repair technique is used. Quartz fillers in Filtek P90 are surface treated with an oxirane-functionalized silane.…”

Section: Discussionmentioning

confidence: 99%

“…For SBMP, there is no chemical affinity between its components and Filtek P90; thus, micromechanical retention may contribute to the repair mechanism. 9 Wiegand and others 10 reported that repair of aged silorane requires adequate mechanical surface treatment and application of the corresponding intermediate adhesive agent/composite. Researchers agreed that the bonding of new to old composite is mainly micromechanical, 3,9,28 although chemical bonding cannot be disregarded.…”

Section: Discussionmentioning

confidence: 99%

“…[5][6][7][8][9][10][11] The effect of intermediate adhesive agent/repair composite, 5,8 the impact of surface preparation, 7,9,11 or both 6,10 on silorane-based composite repair was tested. In these studies, some researchers tested the ability of methacrylate-based adhesive/composite to repair silorane restorations.…”

Section: Introductionmentioning

confidence: 99%

“…5,[8][9][10] One study proved that fresh silorane composite can be equally repaired with the same material or with methacrylate-based composite. 9 Others 5,8,10 recommended the application of a silane-coupling agent to enhance the repair bond strength of methacrylate-based composites to aged silorane-based resin composite. However, separate application of a silane primer and a dentin adhesive can result in a thick, multiphase interfacial layer, which may introduce defects in each working step.…”

Section: Introductionmentioning

confidence: 99%

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Two-Year Interfacial Bond Durability and Nanoleakage of Repaired Silorane-Based Resin Composite

Mobarak¹,

El-Deeb

2013

Operative Dentistry

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Silane application is not mandatory for repairing silorane-based resin composite, which can be successfully repaired even with different repair adhesive/materials. However, early signs of nanoleakage can be detected. SUMMARYObjectives: To investigate the effect of silane primer application, intermediate adhesive agent/repair composite, and storage period on the interfacial microtensile bond strength (lTBS) of repaired silorane-based resin composite compared with unrepaired composites and on the nanoleakage.Methods: Forty-eight 1-month-old substrate specimens from Filtek P90 were roughened, etched, and distributed over two groups (n=24) based on receiving silane (Clearfil Ceramic Primer) or not. Then, half of the specimens (n=12) were repaired with P90 System Adhesive/Filtek P90 and the other half with Adper Scotchbond Multipurpose adhesive/Filtek Z250 resin composite. Within each repair category, repaired specimens were stored in artificial saliva at 378C for either 24 hours (n=6) or two years before being serially sectioned into sticks (0.6 6 0.01 mm 2 ). From each specimen, two sticks were prepared for nanoleakage determination and four sticks were used for lTBS testing. Additional unrepaired specimens from each composite (n=12) were made to determine the cohesive strength at 24 hours and two years. Mean lTBS were calculated and statistically analyzed. Modes of failure were also determined.Results: General linear model analysis revealed no significant effect for the silane priming, intermediate adhesive agent/repair composite, and storage period or for their interactions on the lTBS values of the repaired specimens. There was no significant difference between the cohesive strength of Filtek P90 and Filtek Z250; both were significantly higher

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Two-Year Interfacial Bond Durability and Nanoleakage of Repaired Silorane-Based Resin Composite

Mobarak¹,

El-Deeb

2013

Operative Dentistry

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Repair of Direct Resin Composite Restorations

Arhun

Tuncer

2017

Dental Composite Materials for Direct Restorations

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Demineralized enamel reduces margin integrity of self-etch, but not of etch-and-rinse bonded composite restorations

et al. 2018

Self Cite

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The aim of this study was to investigate margin integrity of Class V composite restorations in demineralized and sound enamel after bonding with different etch-and-rinse and self-etch adhesive systems. Out of a total of 60 specimens from bovine incisors, 30 specimens were demineralized (21 days, acid buffer, pH 4.95) to create artificial enamel lesions. Circular Class V cavities were prepared in all 60 specimens and treated with either an unfilled etch-and-rinse adhesive (Syntac Classic; Ivoclar Vivadent), a filled etch-and-rinse adhesive (Optibond FL; Kerr), or a self-etch adhesive (iBond Self Etch; Heraeus) (n = 10 per group). The cavities were restored with a nanofilled resin composite and thermocycled (5000×, 5-55°C). Scanning electron microscopy was used to evaluate margin integrity of the composite restorations, and the percentage of continuous margin was statistically analyzed (= 0.05). Demineralized enamel led to a significantly lower margin integrity when the self-etch adhesive iBond Self Etch was applied, but did not affect margin integrity when the etch-and-rinse adhesives Optibond FL (filled) or Syntac Classic (unfilled) were used. No significant differences in margin integrity in sound and demineralized enamel were observed between the different adhesives. Demineralized enamel reduces margin integrity of composite restorations when bonded with a self-etch adhesive, but does not affect margin integrity when an etch-and-rinse approach is used.

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Repair of silorane composite—Using the same substrate or a methacrylate-based composite?

Cited by 40 publications

References 20 publications

Two-Year Interfacial Bond Durability and Nanoleakage of Repaired Silorane-Based Resin Composite

Two-Year Interfacial Bond Durability and Nanoleakage of Repaired Silorane-Based Resin Composite

Repair of Direct Resin Composite Restorations

Demineralized enamel reduces margin integrity of self-etch, but not of etch-and-rinse bonded composite restorations

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