Effect of adhesive layers on microshear bond strength of nanocomposite resin to dentin

Felemban, Nayef H.; Ebrahim, Mohamed I.

doi:10.4317/jced.53133

Cited by 5 publications

(5 citation statements)

References 18 publications

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“…The occlusal surfaces of molars were polished by using 600-grit silicon carbide paper for 60 seconds in order to create standardized smear layer. 15 …”

Section: Methodsmentioning

confidence: 99%

“…The occlusal surfaces of molars were polished by using 600-grit silicon carbide paper for 60 seconds in order to create standardized smear layer. 15 Each tooth received three microcylindrical plastic tubes (Tygon tubes) that had 1 mm internal diameter and 2 mm height. The Tygon tubes were filled with different restorative materials as follows: Filtek Z350xt resin composite, Riva light cure RMGI, and Activa Bioactive base/liner (►Fig.…”

Section: Specimen Preparationmentioning

confidence: 99%

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Microshear Bond Strength of Bioactive Materials to Dentin and Resin Composite

2022

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Objectives The aim of this study was to comparatively evaluate microshear bond strength (μSBS) of bioactive ionic resin composite and resin-modified glass ionomer liner (RMGI) to dentin and resin composite. Materials and Methods The enamel of 11 posterior molar teeth was removed to expose dentin and then placed in acrylic blocks. Each specimen received three microcylindrical Tygon tubes filled with bioactive ionic resin composite (Activa Bioactive base/liner (Pulpdent, MA, USA)), RMGI (Riva light cure SDI LTD, Bayswater, Australia), and resin composite (Filtek Z350xt, MN, USA). Composite discs (n = 11) were fabricated from nanofilled resin composite (Filtek Z350xt) and then fixed in acrylic blocks. Each specimen received two microcylindrical Tygon tubes filled with Activa Bioactive base/liner and Riva RMGI. All specimens were mounted individually to universal testing machine for μSBS test. Failure modes were analyzed using stereomicroscope and scanning electron microscope. Results Filtek Z350xt nanofilled resin composite showed the highest μSBS values. No statistical significant difference was found between Activa Bioactive and Riva RMGI (p > 0.05). Conclusion Bioactive ionic resin composite liner exhibited similar bond strength as RMGI to dentin and resin composite.

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“…The occlusal surfaces of molars were polished by using 600-grit silicon carbide paper for 60 seconds in order to create standardized smear layer. 15 …”

Section: Methodsmentioning

confidence: 99%

Section: Specimen Preparationmentioning

confidence: 99%

Microshear Bond Strength of Bioactive Materials to Dentin and Resin Composite

2022

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“…The following supporting information can be downloaded at: https: //www.mdpi.com/article/10.3390/cells12010190/s1, Table S1: Demographic data of the included studies; Table S2: Risk of bias assessment. References [63][64][65][66][67][70][71][72][73][74][75][76][77][78][79][86][87][88][89][94][95][96][97][98][101][102][103][104][105][106][107][108][109][110][111][114][115][116][117][118][119]121,122,124,[154][155][156][157] ar...…”

Section: Supplementary Materialsmentioning

confidence: 99%

Effect of Different Application Modalities on the Bonding Performance of Adhesive Systems to Dentin: A Systematic Review and Meta-Analysis

Hardan

Bourgi

Cuevas‐Suárez

et al. 2023

Cells

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Diverse types of dental adhesives exhibit different cytotoxic outcomes on cells in vitro. Currently, no standard adhesive application technique has so far been decisive for clinicians for better durability of resin–dentin bonds of adhesive systems. The purpose of this study was to systematically review the literature to evaluate the bonding performance of adhesive systems to dentin by using different application modalities. The systematic research strategy was conducted by two reviewers among multiple databases: PubMed, Scopus, Web of Science, Embase, and Scielo. In vitro studies reporting the effects of additional steps for the application of adhesive systems on the bond strength to dentin were selected. Meta-analysis was performed using Review Manager Software version 5.3.5 using the random effects model. The methodological quality of each in vitro study was assessed according to the parameters of a previous systematic review. The electronic research through different databases generated a total of 8318 references. After the examination of titles and abstracts, a total of 106 potentially relevant studies accessed the full-text evaluation phase. After full-text examination, 78 publications were included for the qualitative analysis, and 68 studies were included in the meta-analysis. Regarding the etch-and-rinse adhesive systems, the application modalities that improved the overall bond strength were the application of a hydrophobic resin layer (p = 0.005), an extended application time (p < 0.001), an application assisted by an electric current (p < 0.001), a double-layer application (p = 0.05), the agitation technique (p = 0.02), and the active application of the adhesive (p < 0.001). For self-etch adhesive systems, the techniques that improved the overall bond strength were the application of a hydrophobic resin layer (p < 0.001), an extended application time (p = 0.001), an application assisted by an electric current (p < 0.001), a double-layer application (p < 0.001), the agitation technique (p = 0.01), and the active application of the adhesive (p < 0.001). The in vitro evidence suggests that the application of adhesive systems using alternative techniques or additional strategies may be beneficial for improving their bond strength to dentin. The application modalities that favored the overall bond strength to dentin were an extended application time, a double-layer application, an application assisted by an electric current, the active application of the adhesive, and the application of a hydrophobic resin layer. Worth mentioning is that some techniques are intended to increase the degree of the conversion of the materials, and therefore, improvements in the biocompatibility of the materials can be expected.

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“…This small flow opposes the monomer resin's diffusion toward the pulp, affecting the bonding of the composite resin restoration. [ 8 9 10 ] Currently, several universal adhesives in the market are said to have achieved acceptable levels of bond strength.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of shear bond strength of various adhesives under Simulated intrapulpal pressure: An in vitro study

et al. 2021

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Introduction: The presence of pulpal fluid can influence dentin bonding. This study aimed to evaluate the shear bond strength of universal dental adhesives under simulated intrapulpal pressure. Materials and Methods: Forty intact maxillary premolars were distributed into four groups (Group 1 – 3M ESPE Adper Single Bond 2 total etch adhesive, Group 2 – 3M ESPE Single Bond Universal, Group 3 – Prime and Bond universal adhesive, and Group 4 – Ivoclar Tetric N Bond Universal). Adhesive restorative procedures were carried under intrapulpal pressure simulation following which it was subjected to a shear load of 0.5 mm/min. Fracture mode analysis was performed using a stereomicroscope. The data obtained were subjected to ANOVA and Tukey post hoc test with a P < 0.05. Results: Highest bond strength was exhibited by Group 3 (7.01 ± 2.02 MPa) and least by Group 1 (5.36 ± 3.03 MPa). However, there were no statistical differences among the groups. Group 1 and 2 showed mostly cohesive failure, whereas Group 3 and 4 showed mixed failure. Conclusion: The results demonstrated that the experimental universal adhesive agents exhibited comparative shear bond strength when subjected to pulpal pressure. Pulpal pressure has a significant effect on bond strength.

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Effect of adhesive layers on microshear bond strength of nanocomposite resin to dentin

Cited by 5 publications

References 18 publications

Microshear Bond Strength of Bioactive Materials to Dentin and Resin Composite

Microshear Bond Strength of Bioactive Materials to Dentin and Resin Composite

Effect of Different Application Modalities on the Bonding Performance of Adhesive Systems to Dentin: A Systematic Review and Meta-Analysis

Evaluation of shear bond strength of various adhesives under Simulated intrapulpal pressure: An in vitro study

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