Effects of Primer and Bonding Agent of Dentin Bonding Systems on Dentin Bonding Strength

This study aimed to investigate the effects of various compatible all-ceramic materials and bonding systems, on the bonding properties of dentin. Five types of commonly used all-ceramic materials (Cerec Blocs, IPS e. max Press, IPS e. max ZirCAD, Incoris Alumina, In-Ceram Alumina) were bonded with three types of adhesives (Multilink N, Variolink N, Relyx Unicem) for nuclear porcelain tile preparation. We evaluated the polymerization conversion rates, shear bonding strength (SBS), and micro-tensile bond strength (TBS) for each combination. The polymerization conversion rates, SBS and TBS differed significantly for all 3 adhesives with each all-ceramic group (P < 0.05). The Relyx Unicem agent had higher adhesive properties compared with the Variolink N and Multilink N agents (P < 0.05). The polymerization conversion rate, SBS and TBS of the five all-ceramic materials differed significantly with each adhesive (P < 0.05). The Cerec Blocs had the highest adhesive performance (P < 0.05). The polymerization conversion rate of adhesives differed with each all-ceramic material, while the dentin bonding strength differed with each all-ceramic material and adhesive. Clinically, all-ceramic materials with a high transparency and low refraction are recommended. For opaque all-ceramic restorations, the curing light time and polymerization reaction rate should be increased to improve the dentin bonding performance.

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Effect of Components of Dentin Bonding Systems on the Bonding Strength to Dentin and Enamel

The Journal of the Kyushu Dental Society ◽

10.2504/kds.50.573 ◽

1996 ◽

Vol 50 (3) ◽

pp. 573-586 ◽

Cited By ~ 1

Author(s):

Kohei Bori

Keyword(s):

Bonding Strength ◽

Dentin Bonding ◽

Bonding Systems

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Comparison of Microleakage of Composite Restorations using Fifth and Sixth Generation Dentin Bonding Agent: An in vivo Study

The Journal of Contemporary Dental Practice ◽

10.5005/jp-journals-10024-1200 ◽

2012 ◽

Vol 13 (5) ◽

pp. 632-636 ◽

Cited By ~ 1

Author(s):

Pooran Samimi ◽

Mehrdad Barekatain ◽

Samaneh Alaei

Keyword(s):

Nitrate Solution ◽

Bonding Agent ◽

Single Bond ◽

Dentin Bonding ◽

Composite Restorations ◽

Sixth Generation ◽

Dentin Bonding Agent ◽

Time Periods ◽

Bonding Systems

ABSTRACT Introduction The success of bonded restorations depends on effective bonding between restorative materials and tooth structure, and it prevents microleakage. New dentin bonding systems have been introduced which promotes this concept. The aim of this study was to compare the amount of microleakage between ‘single bond’ vs ‘Prompt L-Pop’ during different time periods. Materials and methods In this clinical trial study, 60 nonretentive class five cavities were prepared on buccal surfaces of human premolars which were scheduled to be removed for orthodontic purposes. The cavities were restored using two different bonding agents; fifth generation (Single Bond) and sixth generation (Prompt L-Pop) and then filled with resin composite (Filtek Z-250). The samples in both groups were extracted after placing the restoration in three periods of time: Immediately, 1 week and 6 months postplacement. Specimens were sealed with two layers of nail varnish except for 1 mm around restoration and immersed in a silver nitrate solution for 24 hours. The teeth were then sectioned longitudinally and the degree of microleakage was determined by stereomicroscope based on standard usual criteria. Results Single bond showed more leakage at dentin margin than enamel margin in all three extraction periods and differences were significant among three groups (p < 0.05). In samples which were restored with Prompt L-Pop only in groups of 6 months there were significant differences between enamel and dentin margins. At enamel margin there were no significant differences between microleakage of groups according to the passage of time (p > 0.05). Conclusion The results of this study using two different bonding systems, indicate that adhesion to enamel was more valuable than dentin and perhaps systems that include self-etching primers are less sensitive to remaining moisture on dentin and they are less affected during different time periods. How to cite this article Samimi P, Barekatain M, Alaei S. Comparison of Microleakage of Composite Restorations using Fifth and Sixth Generation Dentin Bonding Agent: An in vivo Study. J Contemp Dent Pract 2012;13(5):632-636.

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Total etch dentin bonding systems: scanning electron microscopy of the resin-dentin hybrid layer

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100130092 ◽

1992 ◽

Vol 50 (2) ◽

pp. 1092-1093

Author(s):

Jorge Perdigao

Keyword(s):

Composite Resin ◽

Mechanical Interlocking ◽

Hybrid Layer ◽

Agent Based ◽

Dentin Bonding ◽

Acid Agent ◽

Bond Strengths ◽

Main Component ◽

Bonding Systems ◽

New Generation

In 1955, Buonocore introduced the etching of enamel with phosphoric acid. Bonding to enamel was created by mechanical interlocking of resin tags with enamel prisms. Enamel is an inert tissue whose main component is hydroxyapatite (98% by weight). Conversely, dentin is a wet living tissue crossed by tubules containing cellular extensions of the dental pulp. Dentin consists of 18% of organic material, primarily collagen. Several generations of dentin bonding systems (DBS) have been studied in the last 20 years. The dentin bond strengths associated with these DBS have been constantly lower than the enamel bond strengths. Recently, a new generation of DBS has been described. They are applied in three steps: an acid agent on enamel and dentin (total etch technique), two mixed primers and a bonding agent based on a methacrylate resin. They are supposed to bond composite resin to wet dentin through dentin organic component, forming a peculiar blended structure that is part tooth and part resin: the hybrid layer.

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Use of a dentin bonding agent for the fixation of strain gauges on bone

Journal of the Mechanical Behavior of Biomedical Materials ◽

10.1016/j.jmbbm.2021.104545 ◽

2021 ◽

pp. 104545

Author(s):

Tanja Grobecker-Karl ◽

Kamran Orujov ◽

Virgilia Klär ◽

Matthias Karl

Keyword(s):

Bonding Agent ◽

Strain Gauges ◽

Dentin Bonding ◽

Dentin Bonding Agent

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In vitro antibacterial effect of fifth generation dentin bonding agent incorporated with nisin on Streptococcus mutans

Applied Adhesion Science ◽

10.1186/s40563-021-00135-w ◽

2021 ◽

Vol 9 (1) ◽

Author(s):

Gopal Keerthipriya ◽

Nesamani Ravikumar ◽

Sekar Mahalaxmi

Keyword(s):

Streptococcus Mutans ◽

Optical Density ◽

Bacterial Growth ◽

Membrane Integrity ◽

Bonding Agent ◽

Control Group ◽

Dentin Bonding ◽

Fifth Generation ◽

Live Bacteria ◽

Dentin Bonding Agent

Abstract Introduction Bacterial adherence to restorative materials such as composite resin is one of the aetiology of secondary caries. This study evaluated the antibacterial efficacy of fifth generation bonding agent (BA) modified with nisin, against Streptococcus mutans based on its growth, adherence and membrane integrity. Methods Adhesive eluents of the experimental bonding agents were obtained using 250 μl Brain Heart Infusion (BHI) broth and the groups were control (BA with 0% Nisin), bonding agent with 1 wt% (NBA 1) and 5 wt% nisin (NBA 5). To this, 10 μl S. mutans culture was added and incubated at 37 °C. Bacterial growth was estimated by changes in optical density using spectrophotometer every 20 min for 2 h. The results were statistically analysed using one way ANOVA followed by Tukey Post Hoc test. For adherence and membrane integrity test, 10 μl of BHI supplemented with 1% sucrose and 50 μl of bacterial suspension were inoculated onto the cured specimens, and incubated for 4 h. After rinsing, 1 ml of Live/Dead BacLight bacterial viability stain was added and incubated in the dark for 15 min and observed under confocal laser scanning microscope (CLSM) for intact (green/live) and damaged (red/dead) bacterial membranes. Results Mean optical density was significantly higher in control group at all time intervals with maximum value at 2 h (0.83 ± 0.008), while there was a concentration dependant reduction in bacterial growth with the NBA groups (0.50 ± 0.007). Correspondingly, the NBA groups showed higher amount of dead than live bacteria, while live bacteria were predominant in the control group. Significance Addition of an antibacterial agent nisin in dentin bonding agent may render the resin dentin interface more resistant to bacterial penetration, and adherence of cariogenic bacteria like S. mutans.

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