Mechanisms of degradation of the hybrid layer in adhesive dentistry and therapeutic agents to improve bond durability—A literature review

Frassetto, Andrea; Breschi, Lorenzo; Turco, Gianluca; Marchesi, Giulio; Lenarda, Roberto Di; Tay, Franklin R.; Pashley, David H.; Cadenaro, Milena

doi:10.1016/j.dental.2015.11.007

Cited by 299 publications

(279 citation statements)

References 133 publications

(193 reference statements)

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“…Hence the first null hypothesis that “the time of intraoral functioning has no adverse effect on the bond strength to dentine in fillings performed in vivo ” has to be rejected. Decrease in bond strength is probably caused by degradation of resin-sparse collagen fibrils and hydrolysis of resin within the dentine-adhesive joint31.…”

Section: Discussionmentioning

confidence: 99%

“…Body fluids derived from the dental pulp, the living central part of a tooth, can reach the surface of dentine through tubular structures that host the neurological communications between the tooth and its external environment. In real life, the dentinal fluid acts in concert with water derived from cavity rinsing or from saliva, to expedite degradation of the adhesive joint111213. Although the adhesives used for sticky plastic materials to teeth have improved extensively through eight generations of modifications and exhibit acceptable immediate performance, the longevity of dentine bonded with contemporary adhesive systems is highly variable14151617.…”

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confidence: 99%

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Can long-term dentine bonding created in real life be forecasted by parameters established in the laboratory?

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Alves

Bresciani

et al. 2016

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Tooth-coloured plastic dental fillings secured by adhesives to tooth structures are widely used to fix decayed teeth. Whereas laboratory tests demonstrate rapid deterioration of the ability of the adhesives to stick to dentine, clinical studies show that these fillings are relatively durable. This discrepancy suggests that the parameters used for simulating bond degradation in the laboratory setting do not correlate well with clinical outcomes. The present study examined the long-term tensile bond strength of resin composite fillings performed in real life and under different laboratory-simulated bonding conditions to identify parameters that may be used to forecast the durability of adhesive bonds created in dentine. Fillings placed in vivo were subjected to different periods of intraoral function. In vitro specimens were bonded based on whether simulated pulpal pressure (SPP) or thermomechanical cycling was implemented, and how long the completed fillings were stored in water. Thermomechanical cycling used in combination with long-term water ageing are useful in forecasting the decline in strength of resin-dentine bonds created in vivo. These parameters should be adopted for future evaluations. Conversely, the use of SPP does not appear to be a significant parameter in the simulation of long-term clinical deterioration of bond integrity.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

Can long-term dentine bonding created in real life be forecasted by parameters established in the laboratory?

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Alves

Bresciani

et al. 2016

Sci Rep

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“…Kollajen fibriller arası boşluk yaklaşık 30±11 nm'dir. Bu boşluklar, kollajen matriksin demineralize tabakasında yaklaşık 5µm derinlikte adeziv monomerlerinin infiltre olabileceği kanallar olarak görev yapmaktadır 31 . ER adeziv sistemlerde asit uygulamasıyla smear tabakasını kaldırmak, dentin tübüllerini açmak, demineralizasyona bağlı kollajen fibrilleri açığa çıkarmak, sonrasında uygulanan primer ve bonding ajanla hibrit tabakası oluşturulmak amaçlanmaktadır 32 .…”

Section: Etch and Rinse Adeziv Sistemlerunclassified

Di̇ş Heki̇mli̇ği̇nde Adezi̇v Si̇stemler

Ayna¹

2018

Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

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“…Although most commercial products are capable of achieving acceptable immediate bond strength to the tooth, adhesive bonds to dentin undergo a gradual reduction in durability over time [1–5]. The solution to this problem has been elusive as both the degree of degradation and the contributing mechanisms are not consistent for all adhesive systems [6–9].…”

Section: Introductionmentioning

confidence: 99%

Fatigue resistance of dentin bonds prepared with two- vs. three-step adhesives: Effect of carbodiimide

et al. 2017

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The application of a cross-linker to demineralized dentin is reportedly effective at extending the durability of dentin bonds. Yet, results for the fatigue crack growth resistance have been limited to only a three-step etch-and-rinse adhesive. Objective To compare the effect of a cross- linker pretreatment on the durability of resin-dentin bonds prepared with a two- vs three-step adhesive system, in terms of the fatigue crack growth resistance. Methods Bonded interface Compact Tension (CT) specimens were prepared using commercial two- and three-step etch-and-rinse adhesives and compatible hybrid resin-composite. For the treated groups, adhesive bonding was preceded by a 1 min application of an experimental carbodiimide (EDC) conditioner to the acid-etched dentin. The control groups received no such treatment. The fatigue crack growth resistance was examined after storage in phosphate-buffered artificial saliva 37° C for 0, 3 and 6 months. Results There was no significant difference in the immediate fatigue crack growth resistance of the control or EDC-treated groups at 0 months for either adhesive system. After 3 and 6 months of storage, the EDC-treated groups exhibited significantly greater (p≤0.05) fatigue crack growth resistance than the controls. Although the EDC treatment was equally effective in deterring degradation for both adhesives, bonds prepared with the three-step system exhibited the lowest resistance to fatigue crack growth overall. Significance An EDC treatment applied during dentin bonding could help maintain the durability of bonds prepared with two or three-step adhesive bonding systems.

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Mechanisms of degradation of the hybrid layer in adhesive dentistry and therapeutic agents to improve bond durability—A literature review

Cited by 299 publications

References 133 publications

Can long-term dentine bonding created in real life be forecasted by parameters established in the laboratory?

Can long-term dentine bonding created in real life be forecasted by parameters established in the laboratory?

Di̇ş Heki̇mli̇ği̇nde Adezi̇v Si̇stemler

Fatigue resistance of dentin bonds prepared with two- vs. three-step adhesives: Effect of carbodiimide

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