Effect of resin hydrophilicity and temperature on water sorption of dental adhesive resins

Yiu, Cynthia Kar Yung; King, Nigel M.; Carrilho, Marcela Rocha de Oliveira; Sauro, Salvatore; Rueggeberg, Frederick A.; Prati, Carlo; Carvalho, Ricardo Marins de; Pashley, David H.; Tay, Franklin R.

doi:10.1016/j.biomaterials.2005.09.037

Cited by 129 publications

(121 citation statements)

References 36 publications

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“…Simplified two-step etch-and-rinse adhesives are much more hydrophilic than three-step etch-and-rinse adhesives. The hydrophilic nature of methacrylate copolymers facilitates water sorption [35][36][37] from the oral environment when exposed externally to salivary fluids and internally from the underlying hydrated dentin.…”

Section: Discussionmentioning

confidence: 99%

A 36-month Clinical Evaluation of Ethanol/Water and Acetone-based Etch-and-Rinse Adhesives in Non-carious Cervical Lesions

Reis¹,

Loguércio²

2009

Operative Dentistry

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A Reis • AD Loguercio Clinical RelevanceBased on the findings of this clinical trial, one may conclude that non-carious cervical lesions should be restored with the ethanol/water-based two-step etch-and-rinse adhesive Single Bond, instead of the acetone-based One Step, as the latter presents a high number of debonded restorations after short-and long-term recalls. However, other literature findings should also be taken into account before reaching a clinical decision. SUMMARY

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Section: Discussionmentioning

confidence: 99%

A 36-month Clinical Evaluation of Ethanol/Water and Acetone-based Etch-and-Rinse Adhesives in Non-carious Cervical Lesions

Reis¹,

Loguércio²

2009

Operative Dentistry

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“…As consequence of the mineral removal, in deep cavity preparation, the dentin permeability increases because of the water diffusion from dentin tubules (14), impairing the adhesive monomers infiltration and its polymerization reaction; thus creating a permeable hybrid and adhesive layer (1,2). Acid etching demineralizes and poorly infiltrated dentin by adhesive monomers can induce collagen degradation by matrix metalloproteinases and cysteine cathepsins (9,15), while the hydrolytic degradation of adhesive polymers and oligomers can occur by water diffusion that increases the nanoleakage along the interface (5,6).…”

Section: Discussionmentioning

confidence: 99%

“…Adhesives that contain hydrophilic monomer such as HEMA tend to absorb more water than hydrophobic resins, accelerating the polymeric hydrolytic degradation at the bonded interface (2,6). In addition, HEMA monomer is cytotoxic and when using etch-and-rinse approach in deep cavities, it is able diffuse through the dentin and resulting in hypersensitivity reaction and pulp inflammation (17).…”

Section: Discussionmentioning

confidence: 99%

“…HEMA monomer ensures good dentin wetting and improves the stability of adhesive solutions containing hydrophobic and hydrophilic monomers. However, studies have shown that restorations bonded with HEMA-containing adhesives are more susceptible to water absorption and consequent hydrolytic degradation (2,5,6). Besides eliminating the HEMA, the incorporation of fillers, fluorides and functional monomers also seem to contribute to increased longevity of the resin composite restorations (2,7).…”

Section: Introductionmentioning

confidence: 99%

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Dentin Sealing and Bond Strength Evaluation of Hema-Free and Multi-Mode Adhesives to Biomodified Dentin

et al. 2017

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This study evaluated the effect of dentin biomodification on the bond strength (BS) and sealing ability (SA) of HEMA-free and multi-mode adhesives after 24 h and 6 months of water storage. Four adhesives were tested: two multi-mode (Scotchbond Universal -SU, and Prime & Bond Elect -PB) and two HEMA-free (All-Bond 3 -AB, and G-Aenial -GA). Human third molars were selected and dentin was treated with two cross-linking agents (5% glutaraldehyde and 6.5% proanthocyanidin-rich grape seed extract -PACs) for 10 min or kept untreated (control group) (n=6). Teeth were sectioned and prepared for BS test and SA analysis. The SA measurements were taken with the presence of smear layer (minimum permeability), EDTA treatment (maximum permeability), PACs application, adhesive application and after 6 months of water storage. BS data were analyzed by Proc Mixed and Tukey-Kramer test (α=5%). PACs application increased the BS for all adhesives tested at 24 h. However, BS decreased for SU and AB after six months. In general, multi-mode adhesives (SU and PB) did not differ from AB HEMA-free. GA presented the lowest BS values at both times of evaluation. Dentin permeability was reduced after PACs application and remained the same after 6 months, regardless adhesive application. PACs can increase the BS regardless the type of adhesive, however only for PB and GA the BS kept stable after 6-months of water storage. PACs was able to seal the dentin as the minimum permeability and also remained stable after 6 months.

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“…Desta maneira, a hidrofilia do adesivo desempenha papel fundamental nos procedimentos adesivos intraradiculares, e, pensando nisto, diluentes resinosos hidrofílicos e solventes foram adicionados pelos fabricantes às formulações. Entretanto, este fato exerce um efeito determinante sobre a degradação destes materiais em longo prazo (4,53,54).…”

Section: Adversidades Relacionadas Ao Uso De Sistemas Adesivos Em Ambunclassified

Avaliação microtomográfica e da resistência de união de cimentos resinosos auto-adesivos à dentina intra-radicular

Pedreira¹

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RESUMOIntrodução: Atualmente, o conhecimento acerca da interação dos cimentos auto-adesivos com a dentina intra-radicular é escasso. Informações detalhadas sobre a linha de cimentação e a interação com o substrato podem trazer dados preciosos na busca de uma união mais efetiva. Objetivo: Analisar a linha de cimentação de três cimentos resinosos autoadesivos e um resinoso dual convencional em dentina intra-radicular, por meio de microtomografia e do teste de push-out. Método: Três cimentos auto-adesivos (U100/3M ESPE, Maxcem/Kerr, Clearfil SA Bond/Kuraray) e um cimento resinoso dual convencional (Rely X ARC/3M ESPE) foram testados usando 2 técnicas de cimentação. O percentual de bolhas e a resistência de união foram quantificados de acordo com a técnica e os terços. 40 raízes de pré-molares humanos foram desobturadas na profundidade de 10mm. O cimento resinoso foi manipulado de acordo com a recomendação do fabricante. A inserção do cimento seguiu as orientações dos fabricantes para os grupos A e, para os grupos B, 40 pinos de fibra foram cimentados com o auxílio da ponta agulha de uma seringa centrix. As raízes foram escaneadas em um microtomógrafo e a linha de cimento foi analisada pelos softwares DataViewer, CTan, CTvol e CTvox. Após 07 dias, as raízes foram seccionadas perpendicularmente ao longo eixo e submetidas ao teste de extrusão. Os dados foram submetidos a ANOVA 3 critérios e Teste de Tukey. Resultados e Conclusão: A análise microtomográfica mostrou menor número de bolhas para os grupos B. A resistência de união foi significativamente maior para os auto-adesivos quando a seringa centrix foi utilizada (p<0,0001). A resistência de união decresceu em direção apical, independentemente da técnica e da distribuição das bolhas. Não houve relação entre os valores de resistência de união e a localização e volume de bolhas. A microtomografia mostrou-se um método eficaz na visualização e quantificação de bolhas na linha de cimentação. Palavras-chave: cimentos auto-adesivos, resistência de união, pinos de fibra, Microtomografia. ABSTRACTIntroduction: Currently, the knowledge about self-adhesive resin cements interaction with

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Effect of resin hydrophilicity and temperature on water sorption of dental adhesive resins

Cited by 129 publications

References 36 publications

A 36-month Clinical Evaluation of Ethanol/Water and Acetone-based Etch-and-Rinse Adhesives in Non-carious Cervical Lesions

A 36-month Clinical Evaluation of Ethanol/Water and Acetone-based Etch-and-Rinse Adhesives in Non-carious Cervical Lesions

Dentin Sealing and Bond Strength Evaluation of Hema-Free and Multi-Mode Adhesives to Biomodified Dentin

Avaliação microtomográfica e da resistência de união de cimentos resinosos auto-adesivos à dentina intra-radicular

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