Shear bond strength of a 4-META adhesive system

Chang, Jinn-Ming; Scherer, W; Tauk, Antoinette; Martini, Robert

doi:10.1016/0022-3913(92)90047-e

Cited by 20 publications

(9 citation statements)

References 7 publications

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“…6,16,17 S is also a water-based adhesive and bonds reasonably well to dentin. 18 The retention strengths of 17-25 MPa have been reported for S. 19 In the present study amalgam-dentin bond strength created with S was 21.02 MPa, well within the range of previous studies. 18,19 When S is used, the primer infiltrates to the etched dentin prior to resin application which promotes the adhesion of resin to dentin.…”

Section: Wheresupporting

confidence: 88%

The Effect of Different Adhesive Systems on the Retention Strength of Bonded Amalgam Restorations

Ghavamnasiri¹,

Moosavi²

2008

The Journal of Contemporary Dental Practice

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Aim:The aim of this study was to evaluate the bond strength of bonded amalgam to dentin when unfilled and filled adhesive systems are employed using different application modes and to compare the adhesives with a cavity varnish and unlined restorations. Methods and Materials:One hundred twenty sound third human molar teeth were used in the study. A cylindrical cavity 3.3 mm in diameter was prepared in a cross section of dentin approximately 3.0 mm in thickness. The specimens were divided into six experimental groups (n=20) according to the cavity liner used in the prepared cylindrical cavity: One Coat Bond™ (O), Scotchbond Multi-Purpose™(S), Panavia 21™ (Pa), PQ1™ (P), Copalite™ (C), and the unlined (U) group which served as the control group. Cavity surfaces were treated with the assigned adhesive/liner according to manufacturer's instructions then restored with amalgam. After storage in saline solution for seven days at 370C, the specimens were subjected to a push-out test at a crosshead speed of 1 mm/min. The mode of failure was assessed by microscopic analysis of the fracture sites. Data were analyzed by analysis of variance (ANOVA) and Duncan Multiple range tests (α=0.05). Results:No significant difference in amalgam-dentin bond strength was found among O (23.47 MPa), S (21.02 MPa), and Pa (20.06 MPa) adhesive groups, but there was a significant difference between each of these groups and the P and C groups. The U group exhibited significantly lower retention than the other groups (P<0.05). Abstract © Seer PublishingConclusion: Different bond strengths were observed with the different types of dentin bonding agents and liners employed. The lowest bond strength was seen in the U group.Clinical Significance: A statistically significant difference in bond strength was observed with O, S, and Pa compared to P, but this finding is not sufficient to rely on the bonding of amalgam to dentin, particularly in complex amalgam restorations.

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Section: Wheresupporting

confidence: 88%

The Effect of Different Adhesive Systems on the Retention Strength of Bonded Amalgam Restorations

Ghavamnasiri¹,

Moosavi²

2008

The Journal of Contemporary Dental Practice

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“…The importance of conservative procedures has justified the clinical application of amalgam repair (2-6) in spite of in vitro studies that report low bond strength of new amalgam condensed against previously set amalgam (7)(8)(9)14,15,17), since the quality of an amalgam-to-amalgam restorative interface cannot be only measured by shear bond strength (16). For lack of bonding to old amalgam, enamel and dentin, undercuts as grooves, dovetail and pins may be added to provide adequate retention to the repaired areas (3,4,7,8,15).…”

Section: Discussionmentioning

confidence: 99%

“…From the use of 4-META (4-methacryloxyethyl trimellitate anhydride)-based adhesive systems to bond fresh amalgam to an old amalgam restoration (13)(14)(15), other monomers have also been suggested to repair amalgam (9,16,18). The 4-META monomer has the ability to react with metals through the formation of ionic bonds with formed metallic oxides or with the active metal components of the amalgam.…”

Section: Discussionmentioning

confidence: 99%

“…Adhesive systems can be used as resin liner in bonded amalgam restorations (12). The use of these adhesives has also been suggested for repairing amalgam restorations associated with the roughening of an old amalgam surface (9,(13)(14)(15)(16). The application of an adhesive system could improve bonding between old and new amalgam through mechanical interlocking between the adhesive system and freshly condensed amalgam (12,15).…”

Section: Introductionmentioning

confidence: 99%

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Effect of surface roughness on amalgam repair using adhesive systems

2002

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The objective of this in vitro study was to evaluate the effect of three surface treatments and two adhesive systems on the shear bond strength of old and freshly placed amalgam. The results suggested that the intact amalgam showed a significantly higher strength than repaired groups and the strongest repaired specimens were made when the amalgam surfaces were roughened with a diamond bur or microetcher. The adhesive systems showed no significant differences on bond strength with the same superficial texture.

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“…In the repair of amalgam restorations with composite resins, the surface of the amalgam must be roughened and a bonding agent must be used between the materials (13)(14)(15). In our study, the bonding strength at the amalgam-composite interface was evaluated in the restoration of amalgam exposed to different surface treatments with composite resins.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of shear bond strength of amalgam restorations repaired with composite resin by different surface treatments

et al. 2019

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Aim: Repairing amalgam restorations with composite resins is a clinical practice with many advantages. An effective adhesion is achieved between amalgam and composite by applied different surface treatment on amalgam surface. In this study, the effect of adhesive systems applied on amalgam surface on composite-amalgam connection was investigated. Methodology: Standard cavities were opened in 70 acrylic molds that had completed their polymerization and amalgams were placed in these cavities. Seven groups were randomly assigned to different surface treatments on amalgam. In group 1 only roughening with diamond bur , in group 2 acid etch, in group 3 acid application after roughening with diamond bur, in group 4 roughening with diamond bur and silane, in group 5 acid etch and silane, in group 6 roughening with diamond bur and Alloy Primer and finally 7. acid etch and Alloy Primer was applied in the samples. After the application of clearfil universal bond to all groups, composite resins were placed and polymerized. Shear bond strengths were tested with a Universal testing machine. Obtained data were evaluated by one way ANOVA and Tukey B tests. Results: In the statistical evaluation of the groups, the highest shear bond strength between amalgam-composite was seen in the 3rd group where both roughening with diamond bur and acid were applied together, and the lowest shear bond strength was seen in the first group with only roughening with diamond bur. The differences between the groups were statistically significant (p <0.05). Conclusion: The roughening of the amalgam surface affects the shear bond strength between amalgam and composite resin. These results obtained in vitro conditions should be supported with clinical studies. How to cite this article: Cangül S, Adıgüzel Ö, Erpaçal B, Ünal M, Acartürk M, Satıcı Ö. Evaluation of shear bond strength of amalgam restorations repaired with composite resin by different surface treatments. Int Dent Res 2019;9(3):105-10. Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

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Shear bond strength of a 4-META adhesive system

Cited by 20 publications

References 7 publications

The Effect of Different Adhesive Systems on the Retention Strength of Bonded Amalgam Restorations

The Effect of Different Adhesive Systems on the Retention Strength of Bonded Amalgam Restorations

Effect of surface roughness on amalgam repair using adhesive systems

Evaluation of shear bond strength of amalgam restorations repaired with composite resin by different surface treatments

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