Effect of acid etching on dentin wettability and roughness: Self‐etching primers versus phosphoric acid

Aguilar-Mendoza, José A.; Rosales-Leal, Juan Ignacio; Rodríguez-Valverde, Miguel A.; Cabrerizo-Vílchez, Miguel A.

doi:10.1002/jbm.b.30871

Cited by 42 publications

(38 citation statements)

References 22 publications

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“…Intra-tubular demineralization can exceed the depth of the intertubular one reaching 6-7 μm in depth (Figures 9 and 10). Accordingly, as the inter-tubular distance decreases, deeper demineralization of dentin is expected [2,24,30,33,42,43]. After dentin etching, practically the whole mineral content (~50 vol%) of the surface and subsurface is solubilized, removed and replaced by water.…”

Section: Etch-and-rinse Adhesive Systemsmentioning

confidence: 99%

“…The main aim of the priming step is to alter the hydrophilic dentin surface into a hydrophobic phase, which will ensure an increase on the dentin surface energy making this substrate an adequate receptor of the subsequent hydrophobic bonding resin, allowing a better wettability and efficient penetration in the exposed collagen network [42]. The primers, adhesionpromoting agents, contain amphipathic monomers dissolved in organic solvents such as acetone, alcohol and/or water.…”

Section: Etch-and-rinse Adhesive Systemsmentioning

confidence: 99%

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Adhesion in Restorative Dentistry

Vinagre¹,

Ramos²

2016

Adhesives - Applications and Properties

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Bonding agents play a crucial role in the effective sealing and retention of resin-based composite restorations, which have been increasingly placed and replaced by dentists in many countries around the world. In fact, direct adhesive restoration with composite resins has become the procedure of choice for the treatment of anterior and posterior teeth. However, long-term durability of those restorations may be compromised due to progressive loss of the integrity of adhesive interfaces. This means that no adhesive strategy is free from technique sensitivity. The specificity and proportion of different constitutive molecules, the interaction between them and substrates can differ greatly from one class of adhesive system to another, which can affect bond quality. Protocol simplification has been an inevitable trend that has boosted the use of self-etching and universal systems in adhesive dentistry. However, there is a lack of randomized clinical trials to prove the effectiveness of these systems. This chapter gives an overview of the most important issues in dental adhesion and adhesive systems, as well, discussing their composition and clinical use.

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Section: Etch-and-rinse Adhesive Systemsmentioning

confidence: 99%

Section: Etch-and-rinse Adhesive Systemsmentioning

confidence: 99%

Adhesion in Restorative Dentistry

Vinagre¹,

Ramos²

2016

Adhesives - Applications and Properties

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“…12 These surface modifications are based on roughening the surface and increasing its wettability. [13][14][15][16] Conventional adhesion techniques used for silica-based ceramic (such as etching by hydrofluoric acid) cannot be used for zirconia ceramics, because it fails to achieve adequate surface roughness and will lead to poor bonding strength. 10,[17][18][19] The airborne Al 2 O 3 particle abrasion of zirconia ceramics surface has been found an effective method for achieving durable ceramic-resin bonding.…”

Section: Introductionmentioning

confidence: 99%

The Impact of Plasma Treatment of Cercon® Zirconia Ceramics on Adhesion to Resin Composite Cements and Surface Properties

2017

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Introduction:In recent years, the use of ceramic base zirconia is considered in dentistry for all ceramic restorations because of its chemical stability, biocompatibility, and good compressive as well as flexural strength. However, due to its chemical stability, there is a challenge with dental bonding. Several studies have been done to improve zirconia bonding but they are not reliable. The purpose of this research is to study the effect of plasma treatment on bonding strength of zirconia. Methods: In this in vitro study, 180 zirconia discs' (thickness was 0.85-0.9 mm) surfaces were processed with plasma of oxygen, argon, air and oxygen-argon combination with 90-10 and 80-20 ratio (n=30 for each group) after being polished by sandblast. Surface modifications were assessed by measuring the contact angle, surface roughness, and topographical evaluations. Cylindrical Panavia f2 resin-cement and Diafill were used for microshear strength bond measurements. The data analysis was performed by SPSS 20.0 software and one-way analysis of variance (ANOVA) and Tukey test as the post hoc. Results: Plasma treatment in all groups significantly reduces contact angle compare with control (P = 0.001). Topographic evaluations revealed coarseness promotion occurred in all plasma treated groups which was significant when compared to control (P < 0.05), except argon plasma treated group that significantly decreased surface roughness (P < 0.05). In all treated groups, microshear bond strength increased, except oxygen treated plasma group which decreased this strength. Air and argon-oxygen combination (both groups) significantly increased microshear bond strength (P < 0.05). Conclusion: According to this research, plasmatic processing with dielectric barrier method in atmospheric pressure can increase zirconia bonding strength.

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“…Clearfil SE Bond can form a dense polymer network that imposes a certain resistance to water penetration 20 . Compared to other adhesive systems, Clearfil SE Bond reportedly provides satisfactory wettability in smear layer-covered dentin and the lowest contact angle in smear layer-free dentin 21 . Nevertheless, these properties were not sufficient to promote good marginal sealing after artificial aging without acid-etching, probably due to lower interfacial stability caused by infiltration of the hybrid layer.…”

Section: Discussionmentioning

confidence: 94%

Influence of enamel acid-etching on mechanical properties and nanoleakage of resin composite after aging

et al. 2017

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Aim: The aim of this study was to evaluate how acid-etching of the cavosurface enamel in Class I resin composite restorations influences the bond strength to the pulpal wall and the restoration, Knoop microhardness and nanoleakage after thermomechanical aging. For this research 76 fresh human molars were selected and restored with Silorane or Clearfil SEBond/Z350XT composite divided in 4 groups (Silorane system restored with or without enamel cavosurface acid-etching and Clearfil SEBond/Z350XT with or without enamel cavosurface acid-etching). To induce artificial aging, samples were subjected to thermomechanical cycling through 200,000 and thermal cycling between 5 and 55 °C with 30 second filling and 15-second drainage steps. Microhardness and microtensile bond strength were evaluated in 32 teeth (n=8) each and nanoleakage evaluation was performed in 12 teeth (n=3). Samples restored by Clearfil SEBond/Z350 XT without cavosurface acid-etching showed significantly lower microtensile bond strength results. The resin composite Z350XT presented higher values of Knoop microhardness. It was observed little or no infiltration for Silorane groups and moderate infiltration for Clearfil SE Bond groups. Acid-etching of the cavosurface enamel during restoration procedure with Clearfil Se Bond resulted in a stronger bond after thermomechanical cycling. Silorane groups showed less infiltration than Clearfil SE Bond groups.

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Effect of acid etching on dentin wettability and roughness: Self‐etching primers versus phosphoric acid

Cited by 42 publications

References 22 publications

Adhesion in Restorative Dentistry

Adhesion in Restorative Dentistry

The Impact of Plasma Treatment of Cercon® Zirconia Ceramics on Adhesion to Resin Composite Cements and Surface Properties

Influence of enamel acid-etching on mechanical properties and nanoleakage of resin composite after aging

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