Relationship between mechanical properties of one-step self-etch adhesives and water sorption

Hosaka, Keiichi; Nakajima, Masatoshi; Takahashi, Masahiro; Itoh, Shima; Ikeda, Masaomi; Tagami, Junji; Pashley, David H.

doi:10.1016/j.dental.2009.12.007

Cited by 85 publications

(82 citation statements)

References 41 publications

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“…8,50 It has been demonstrated that the mechanical properties of GB are lower than those of other 1-stepSE adhesives. 47 In 2002 and 2005, Takahashi and others 23 and Reis and others, 24 respectively, reported that there is a positive correlation between dentin microtensile bond strengths and the ultimate tensile strength of the adhesive, which would explain the low dentin bond strengths obtained with GB in the present study.…”

Section: Discussioncontrasting

confidence: 34%

“…4,48 Theoretically, the absence of HEMA in GB, as well as in its predecessor G-Bond, may result in longer stability of the resin-dentin interface compared with adhesives that contain HEMA 49 because water sorption is more pronounced when HEMA is present. 47 On the other hand, the lack of HEMA may result in phase separation at the interface, previously observed with G-Bond, 48 which may be a limiting factor for improved performance of the material.…”

Section: Discussionmentioning

confidence: 99%

“…[4][5][6][7] This permeable structure would allow rapid dentinal fluid transudation across the polymerized adhesive, 15 specifically in 2-hydroxyethyl-methacrylate (HE-MA)-containing adhesives. 47 The mono-functional comonomer HEMA acts as a solvent and helps prevent hydrophilic and hydrophobic phase separation. 20,43,48 However, HEMA may retain water, compromising the DC and resulting in hydrolytic degradation.…”

Section: Discussionmentioning

confidence: 99%

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Immediate Adhesive Properties to Dentin and Enamel of a Universal Adhesive Associated With a Hydrophobic Resin Coat

Perdigão

Muñoz

Sezinando

et al. 2014

Operative Dentistry

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Multi-mode adhesives may be optimized when they are used as self-etch adhesives on dentin with a separate enamel etching step. SUMMARYObjectives: To evaluate the effect of acid etching and application of a hydrophobic resin coat on the enamel/dentin bond strengths and degree of conversion (DC) within the hybrid layer of a universal adhesive system (G-Bond Plus [GB]).Methods: A total of 60 extracted third molars were divided into four groups for bondstrength testing, according to the adhesive strategy: GB applied as a one-step self-etch adhesive (1-stepSE); GB applied as in 1-stepSE followed by one coat of the hydrophobic resin Heliobond (2-stepSE); GB applied as a two-step etch-and-rinse adhesive (2-stepER); GB applied as in 2-stepER followed by one coat of the hydrophobic resin Heliobond (3-stepER). There were 40 teeth used for enamel microshear bond strength (lSBS) and DC; and 20 teeth used for dentin microtensile bond strength (lTBS) and DC. After restorations were constructed, specimens were stored in water (378C/24 h) and then tested at 0.5 mm/min (lTBS) or 1.0 mm/min (lSBS). Enamel-resin

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Section: Discussioncontrasting

confidence: 34%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Immediate Adhesive Properties to Dentin and Enamel of a Universal Adhesive Associated With a Hydrophobic Resin Coat

Perdigão

Muñoz

Sezinando

et al. 2014

Operative Dentistry

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“…64,65 One-step self-etch adhesives are highly hydrophilic; therefore, they attract water and may increase the potential for degradation, 66,67 as water sorption of adhesive resins is proportional to their hydrophilic characteristics. 68 The self-etching ability of selfetching primers is achieved by incorporating sufficient water in the solution for adequate ionization of the acidic monomers without lowering the monomer concentration to a threshold that would compromise the bonding efficacy. Water is an important ingredient because it ionizes the acidic groups, allowing the formation of hydronium ions (H 3 O þ ), which etch Abbreviations: ERd, etch-and-rinse, dry dentin; ERm, etch-and-rinse, moist dentin; SE, self-etch, no etching; Set, self-etch, selective enamel etching.…”

Section: Recurrence Of Cariesmentioning

confidence: 99%

A New Universal Simplified Adhesive: 18-Month Clinical Evaluation

Perdigão

Kose

Mena-Serrano

et al. 2014

Operative Dentistry

226

176

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At 18 months, the new multimode adhesive, Scotchbond Universal Adhesive, fulfilled the American Dental Association criteria required for full approval. Its clinical behavior is reliable when used in noncarious cervical lesions and may not depend on the bonding strategy. SUMMARYPurpose: To evaluate the 18-month clinical performance of a multimode adhesive (Scotchbond Universal Adhesive, SU, 3M ESPE, St Paul, MN, USA) in noncarious cervical lesions (NCCLs) using two evaluation criteria.Materials and Methods: Thirty-nine patients participated in this study. Two-hundred restorations were assigned to four groups: ERm, etch-and-rinse + moist dentin; ERd, etch-andrinse + dry dentin; Set, selective enamel etching; and SE, self-etch. The composite resin, Filtek Supreme Ultra (3M ESPE), was placed incrementally. The restorations were evaluated at baseline, and at 18 months, using both the World Dental Federation (FDI) , 2014, 39-2, 113-127 bravo for marginal adaptation using the USPHS criteria and 38%, 40%, 36%, and 44% for groups ERm, ERd, Set, and SE, respectively, when the FDI criteria were applied (p.0.05). However, when semiquantitative scores (or SQUACE) for marginal adaptation were used, SE resulted in a significantly greater number of restorations, with more than 30% of the total length of the interface showing marginal discrepancy (28%) in comparison with the other groups (8%, 6%, and 8%, respectively, for ERm, ERd, and Set).Conclusions: The clinical retention of the multimode adhesive at 18 months does not depend on the bonding strategy. The only differences between strategies were found for the parameter marginal adaptation, for which the FDI criteria were more sensitive than the USPHS criteria.

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“…In the case of one-step self-etch adhesives, the solvents and functional monomers usually make up almost 50% of the adhesive 2) . Therefore, the concentration of hydrophobic monomers in one-step self-etch adhesives is drastically reduced 2) compared with the bonding agent of a two-step self-etch adhesive, resulting in lower mechanical properties 28,29) . Moreover, the presence of residual water within the bonding resin would lead to domains of incomplete polymerization of bonding resin 7) .…”

Section: Discussionmentioning

confidence: 99%

The influence of light intensities irradiated directly and indirectly through resin composite to self-etch adhesives on dentin bonding

et al. 2011

Self Cite

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This study was designed to evaluate effects of light-irradiated intensities directly and indirectly through resin composites to one-and two-step self-etch adhesives on dentin bonding. One-step (Clearfil S 3 Bond; TS, Bond Force; BF) or two-step (Clearfil SE Bond; SE) self-etch adhesives was applied to dentin surface. The adhesive agent was light-cured with light-intensity of 350 or 600 mW/cm 2 , and then resin composite with different colors (translucent or opaque shade) was filled and light-cured with the same light-intensity as the bonding procedure. After 24 h water storage, bond strengths to dentin were determined using µTBS test. For the 600 and 350 mW/ cm 2 groups, translucent shade resin obtained higher µTBS than opaque shade resin. Using SE and BF, the 350 mW/cm 2 group in translucent shade resin was higher µTBS than the 600 mW/cm 2 group in opaque shade resin, while TS showed no different µTBS between them.

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Relationship between mechanical properties of one-step self-etch adhesives and water sorption

Cited by 85 publications

References 41 publications

Immediate Adhesive Properties to Dentin and Enamel of a Universal Adhesive Associated With a Hydrophobic Resin Coat

Immediate Adhesive Properties to Dentin and Enamel of a Universal Adhesive Associated With a Hydrophobic Resin Coat

A New Universal Simplified Adhesive: 18-Month Clinical Evaluation

The influence of light intensities irradiated directly and indirectly through resin composite to self-etch adhesives on dentin bonding

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