Relationship between enamel bond fatigue durability and surface free‐energy characteristics with universal adhesives

Nagura, Yuko; Tsujimoto, Akimasa; Barkmeier, Wayne W.; Watanabe, Hidehiko; Johnson, William W.; Takamizawa, Toshiki; Latta, Mark; Miyazaki, Masashi

doi:10.1111/eos.12398

Cited by 7 publications

(8 citation statements)

References 32 publications

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“…Statistical analysis was conducted as described by Nagura et al [18], with the exception that Fisher's exact test was not used in this study.…”

Section: Discussionmentioning

confidence: 99%

“…However, the first null hypothesis that etching mode would make no difference to the bond fatigue resistance of universal adhesives to dentin was not rejected. A recent study [18], which uses the same research design to study bonding to enamel, has reported that the bond fatigue resistance of universal adhesives was significantly higher in etch-and-rinse than in self-etch mode.…”

Section: Discussionmentioning

confidence: 99%

“…Interfacial science characteristics were measured as described by Nagura et al [18]. The procedure is depicted in Fig.…”

Section: Interfacial Science Characteristics Measurementmentioning

confidence: 99%

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Etch-and-rinse vs self-etch mode for dentin bonding effectiveness of universal adhesives

et al. 2019

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In this study, dentin bond fatigue resistance and interfacial science characteristics of universal adhesives through etch-and-rinse and self-etch modes were investigated. Resin composite was bonded to human dentin with four universal adhesives, namely, Adhese Universal, All-Bond Universal, G-Premio Bond, and Scotchbond Universal Adhesive. The initial bond strengths, bond fatigue strengths, and interfacial science characteristics of the universal adhesives with dentin through etch-and-rinse and self-etch modes were determined. Bond fatigue resistance (initial bond strength and bond fatigue strength) of universal adhesives in etch-and-rinse mode showed no significant difference in contrast to that in self-etch mode and was material-dependent regardless of the etching mode. Although phosphoric acid conditioning of dentin did not have a strong impact on the bond fatigue resistance, surface free energy and parameters of dentin were significantly decreased by etching and by application of universal adhesives regardless of etching mode. Changes in γ S and γ S h for when universal adhesive was applied to etched and ground dentin were significantly different depending on the adhesive. The results suggest that bonding performance of universal adhesives was effective in both etching modes; however, bonding mechanisms may be different for each. Keywords; light-curing of dental adhesives, dental debonding, dental etching, dental restoration failure, dental stress analysis Materials and Methods Study materials Four universal adhesives were used in this study: (i) Adhese Universal (AU, Ivoclar Vivadent, Schaan, Liechtenstein), (ii) All-Bond Universal (AB, Bisco, Schaumburg, IL, USA), (iii) G-Premio Bond (GB, GC, Tokyo, Japan), and (iv) Scotchbond Universal Adhesive (SU, 3M Oral Care). Ultra-Etch (Ultradent, South Jordan, UT, USA) was used as a 35% phosphoric acid pre-etching agent and Z100 Restorative (3M Oral Care) as the resin composite employed to make specimens. Table 1 lists the tested materials and their lot numbers and components. Specimen preparation This study used de-identified extracted human molar teeth. To comply with research ethics, the protocol was reviewed and approved by the Ethics Committee for Human Studies of NU (#2015-06) and Biomedical Institutional Review Board at CU (#760765-1). Preparation of the teeth was done in the manner described in the study by Nagura et al. [18], except that a flat dentin surface, rather than enamel surface, was prepared. Specimens with and without etching were prepared for each adhesive, giving a total of eight experimental groups for each of the procedures performed (Table 2). Initial bond strength testing Initial bond strength testing was carried out as described by Nagura et al. [18]. Bond fatigue strength testing Bond fatigue strength testing was carried out as described by Nagura et al. [18].

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“…Statistical analysis was conducted as described by Nagura et al [18], with the exception that Fisher's exact test was not used in this study.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Etch-and-rinse vs self-etch mode for dentin bonding effectiveness of universal adhesives

et al. 2019

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“…Third, the variation in resistance against acid dissolution of prismatic and aprismatic enamel leads to different etching pattern. Enamel pre-etching with phosphoric acid removes the smear layer, changing the surface properties and increases the wettability of enamel surface, by exposing the hydroxyl groups of the enamel, therefore producing a consistent enamel etching pattern [36][37][38][39] .…”

Section: Discussionmentioning

confidence: 99%

The impact of etching time and material on bond strength of self-adhesive resin cement to eroded enamel

2019

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The purpose of this study was to assess the effect of pre-etching time and material on shear bond strength (SBS) of self-adhesive resin cements to eroded and sound enamel. Eroded enamel specimens were assigned into 5 groups (n=20 each) based on enamel surface treatment as follow: Group N, eroded enamel (without surface pre-treatment); Group PH15, 35% H3PO4 etching for 15 s; Group PH30, 35% H3PO4 etching for 30 s; Group L30, 20% lactic acid etching for 30 s and Group L60, 20% lactic acid etching for 60 s. Composite blocks were fabricated and cemented to enamel surfaces with one of two self-adhesive cements. Notched-edge SBS was assessed. Bond strength of self-adhesive cement to eroded enamel surface significantly enhanced following application of 20% lactic acid for 30 s.

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“…After establishing these basic principles, the research group extended fatigue bond strength evaluations to cover many factors with an influence on tooth bonding, such as the influence of acidic functional monomers [34] , double coating [35] , the oxygen inhibition layer [36] , [37] , shortened application times of adhesive systems [38] , the etching mode for universal adhesives [39] , [40] , [41] , application of different etching agents [42] , [43] , [44] , [45] , silver diamine fluoride pre-treatment [46] , the prismatic structure of enamel [47] , surface moisture [48] or smear layer of substrates [49] , the use of different adhesive systems [50] , [51] , phosphoric acid pre-etching [52] , [53] , [54] , self-adhesive restorative materials [55] , short fiber resin composites [56] , and water storage of specimens [57] . These evaluations did provide new insights, but also raised methodological suggestions and questions from researchers.…”

Section: Standardization Of Test Conditionsmentioning

confidence: 99%

Fatigue bond strength of dental adhesive systems: Historical background of test methodology, clinical considerations and future perspectives

Tsujimoto

Barkmeier

Teixeira

et al. 2022

Japanese Dental Science Review

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Relationship between enamel bond fatigue durability and surface free‐energy characteristics with universal adhesives

Cited by 7 publications

References 32 publications

Etch-and-rinse vs self-etch mode for dentin bonding effectiveness of universal adhesives

Etch-and-rinse vs self-etch mode for dentin bonding effectiveness of universal adhesives

The impact of etching time and material on bond strength of self-adhesive resin cement to eroded enamel

Fatigue bond strength of dental adhesive systems: Historical background of test methodology, clinical considerations and future perspectives

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