Laboratory and FEA evaluation of dentin-to-composite bonding as a function adhesive layer thickness

Coelho, Paulo G.; Calamia, Christine S.; Harsono, Masly; Thompson, Van P.; Silva, N.R.F.A.

doi:10.1016/j.dental.2008.02.007

Cited by 26 publications

(21 citation statements)

References 14 publications

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“…While Silva and others 22 had lower values of load to fracture for the specimens restored with cast post and cores, the present study demonstrated higher values for the same condition, which may be associated with the greater depth of weakening in the Silva and others study, 22 which maintained the thickness of remaining dentin of 1 mm up to an intracanal depth of 9 mm. Studies regarding widely weakened roots 20,21,23,26,56 restored with cast post and cores presented results similar to that study, considering fracture load and the predominance of unfavorable failures. Cast post and cores had higher fracture load values and more unfavorable failures than the groups restored with fiber posts and fiber posts associated with materials that had an E similar to that of dentin (composite resin, accessory posts, and fiber ribbons).…”

Section: Discussionsupporting

confidence: 73%

“…53,54 The DC measured in the dentin-resin interfaces was significantly higher when a hydrophobic resin coat was used. This difference was expected, according to the previous literature finding 55,56 where 1-stepSE was compared with 2-stepSE adhesives. However, an increase in DC has not been previously reported after adding an extra hydrophobic resin coat to a specific 1-step adhesive.…”

Section: Discussionmentioning

confidence: 87%

“…12,21,22 This result can be explained by the preservation of dental structure. 50,53,55,56 The fourth hypothesis was rejected, since the survival analysis showed no differences between the weakened and nonweakened roots (Figure 2A). On the other hand, the restorative strategies for the nonweakened condition ( Figure 2B) were similar.…”

Section: Discussionmentioning

confidence: 99%

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2014

Operative Dentistry

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How to Register as an Individual or Institutional UserIt's easy to register. Simply choose a unique user name and password and complete our registration form at http://www.jopdentonline.org/action/registration. You will receive an e-mail confirming your user name and password shortly after registering. Registration is not required for individuals to use this site but is required to see the full text of a non-public access article. Using the User Profile to Customize Your Online ExperienceOnce you have registered, you can customize your profile in the User Profile section of the site. Within the User Profile section you can: Update your profile information, including your user name and password, address details and account preferences, manage your favorite articles, sign up for journal e-mail alerts, view saved searches, and manage your subscriptions and online access (for institutional subscribers only). For additional assistance with your profile, complete our feedback form at http://www.jopdentonline.org/ feedback/show Your user name and password can be sent to the e-mail address provided during the registration process at any time. Follow the instructions at http://www.jopdentonline.org/action/requestResetPassword to obtain your user name and password by e-mail. Aim and ScopeOperative Dentistry publishes articles that ad vance the prac tice of operative dentistry. The scope of the journal includes conservation and restoration of teeth; the sci en tifi c foundation of operative dental ther a py; dental materials; den tal education; and the social, po lit i cal, and economic aspects of dental prac tice. Review papers, book reviews, letters and classified ads for faculty positions are also pub lished. Subscriptions: Fax (317) 852-3162Current pricing for individual, institutional and dental student subscriptions (both USA and all other countries) can be found at our website: www.jopdent.org, or by contacting our subscription manager: E-mail: editor@jopdent.org Payment must be in US dollars only and accompany orders. Online payment is available on our website. American Express, Discover, MasterCard and Visa accepted. ContributionsContributors should study submission requirements found on our website at www.jopdent.org and follow them carefully. PermissionFor permission to reproduce material from Operative Dentistry please apply to Operative Dentistry at the above address.The views expressed in Operative Dentistry do not necessarily represent those of the academies or the editors. Dental education in the United States has gone through several major changes from the beginnings of dentistry as a trade or vocation learned through apprenticeships or on-the-job training or practiced by self-taught barber surgeons to the current system of dental school training. The evolution to the pinnacle of excellence in restorative and preventive arts did not happen overnight or by accident. Dr Horace H. Hayden and Dr Chapin A. Harris, two dental practitioners in Baltimore, Maryland, were instrumental in founding the first dental sc...

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Section: Discussionsupporting

confidence: 73%

Section: Discussionmentioning

confidence: 87%

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2014

Operative Dentistry

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“…Previous studies have reported that greater thickness of the adhesive layer may reduce the stress created by mechanical loading, and with potentially concurrent improvement in bond durability 45,46) . In addition, another previous study reported that a relatively thick adhesive layer may serve as an artificial elastic layer at the interface and act as a shock absorber against mechanical loading, leading to higher bond strengths 47) . These features demonstrate that CS and CS2 are fundamentally resilient against fatigue, which may explain why their fatigue durability was not significantly lower in the self-etch mode when compared to phosphoric acid pre-etching.…”

Section: Discussionmentioning

confidence: 99%

Comparison of enamel bond fatigue durability between universal adhesives and two-step self-etch adhesives: Effect of phosphoric acid pre-etching

Suda

Tsujimoto

Barkmeier

et al. 2018

Dental Materials Journal

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The effect of phosphoric acid pre-etching on enamel bond fatigue durability of universal adhesives and two-step self-etch adhesives was investigated. Four universal adhesives and three two-step self-etch adhesives were used. The initial shear bond strengths and shear fatigue strengths to enamel with and without phosphoric acid pre-etching using the adhesives were determined. SEM observations were also conducted. Phosphoric acid pre-etching of enamel was found to increase the bond fatigue durability of universal adhesives, but its effect on two-step self-etch adhesives was material-dependent. In addition, some universal adhesives with phosphoric acid preetching showed similar bond fatigue durability to the two-step self-etch adhesives, although the bond fatigue durability of universal adhesives in self-etch mode was lower than that of the two-step self-etch adhesives. Phosphoric acid pre-etching enhances enamel bond fatigue durability of universal adhesives, but the effect of phosphoric acid pre-etching on the bond fatigue durability of two-step self-etch adhesives was material-dependent.

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“…Some authors have observed that the average adhesive thickness was lower than the suggested ''ideal minimum''; however, this did not prevent the adhesives from reaching high bond strength results. [39][40][41][42]41 The real benefit of thin or thick adhesive layers for bonding layers is still a controversial issue and deserves future investigations.…”

Section: Discussionmentioning

confidence: 99%

Adhesive Temperature: Effects on Adhesive Properties and Resin-Dentin Bond Strength

Loguércio¹,

Salvalaggio²,

Piva³

et al. 2011

Operative Dentistry

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AD Loguercio D Salvalaggio AE Piva CA Klein-Jú nior M de LR Accorinte MM Meier RHM Grande A Reis Clinical RelevancePreheating ethanol/water-based adhesive systems could be useful to improve the hybrid layer quality. SUMMARYObjectives: To evaluate the effect of adhesive temperature on the resin-dentin bond strength (lTBS), nanoleakage (NL), adhesive layer thickness (AL), and degree of conversion (DC) of ethanol/water-(SB) and acetone-based (PB) etch-and-rinse adhesive systems.Methods: The bottles of the two adhesives were kept at each temperature (58C, 208C, 378C, and 508C) for 2 hours before application to demineralized dentin surfaces of 40 molars. Specimens were prepared for lTBS testing. Bonded sticks (0.8 mm 2 ) were tested under tension (0.5 mm/min). Three bonded sticks from each tooth were immersed in silver nitrate and analyzed by scanning electron microscopy. The DC of the adhesives was evaluated by Fourier transformed infrared spectroscopy.Results: Lower lTBS was observed for PB at 508C. For SB, the lTBS values were similar for all temperatures. DC was higher at 508C for PB. Higher NL and thicker AL were observed for both adhesives in the 58C and 208C groups

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Laboratory and FEA evaluation of dentin-to-composite bonding as a function adhesive layer thickness

Cited by 26 publications

References 14 publications

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Comparison of enamel bond fatigue durability between universal adhesives and two-step self-etch adhesives: Effect of phosphoric acid pre-etching

Adhesive Temperature: Effects on Adhesive Properties and Resin-Dentin Bond Strength

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