Microleakage and interfacial morphology of self‐etching adhesives in class V resin composite restorations

Osorio, Raquel; Toledano, Manuel; Leonardi, Guillermo De; Tay, Franklin R.

doi:10.1002/jbm.b.10024

Cited by 66 publications

(68 citation statements)

References 24 publications

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“…32 Therefore, SBMP has been used in many studies as a reference adhesive for the enamel microleakage test. [17][18][33][34] CSEB (Group 1) also showed acceptable results on enamel margins. The PH-value of CSEB is 1.9.…”

Section: Discussionmentioning

confidence: 99%

“…16 Several studies have shown that self-etching adhesives could seal enamel margins effectively. [17][18] Some studies reported that self-etching primer systems performed comparably to that of total-etch adhesive systems. 19 However, in other studies, self-etching adhesives showed greater scales of microleakage than adhesives using conventional phosphoric acid as the etchant.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Phosphoric Acid Etching of Enamel Margins on the Microleakage of a Simplified All-in-One and a Self-etch Adhesive System

Khosravi

Ataei²,

Mousavi³

et al. 2009

Operative Dentistry

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This study evaluates the effect of phosphoric acid etching of enamel margins on the microleakage of a simplified all-in-one and a self-etching adhesive system in comparison to a conventional total-etch system. SUMMARYSixty buccal Class V cavities with beveled enamel margins were made at the cemento-enamel junction of extracted human premolars and randomly divided into five groups of 12 specimens. Clearfil SE bond was applied to Group 1; Group 2 had 35% phosphoric acid etching of the enamel margins plus Clearfil SE Bond; Group 3 was administered iBond; Group 4 had 35% phosphoric acid etching of the enamel margins plus iBond and Scotchbond Multi-Purpose was used on Group 5. All the groups were restored with a resin composite. After 24 hours of storage in 100% humidity, the samples were thermocycled, immersed in a dye solution and sectioned buccolingually and microleakage of the enamel margins was evaluated on a scale of 0 to 2. Differences among Groups 3 and 4 and Groups 3 and 5 were significant (p<0.05); however, no statistically significant differences were found between the other groups (p>0.05). The current study shows that simplified all-in-one adhesive systems need

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Phosphoric Acid Etching of Enamel Margins on the Microleakage of a Simplified All-in-One and a Self-etch Adhesive System

Khosravi

Ataei²,

Mousavi³

et al. 2009

Operative Dentistry

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“…Moreover, it has been speculated about the possibility of an incomplete polymerization of adhesives within the hybrid layer [8,9], due not only to oxygen inhibition, but also to the presence of intrinsic water of the dentin, primer solvents or even to the existence of chemical incompatibilities between the components of the adhesives, specially when all-in-one systems are used [10,11]. To help with water (in dentin) and solvent (in the adhesive) evaporation, manufacturers recommend to gentle air-dry the treated tooth for a few seconds.…”

Section: Introductionmentioning

confidence: 99%

Spatially resolved photopolymerization kinetics and oxygen inhibition in dental adhesives

et al. 2005

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“…Carvalho et al [12] and Osorio et al [25] have reported that it is possible that the efficacy of a self-etching primer is not related only to pH level, but also may be caused by the presence, after curing, of unpolymerized acid monomers.…”

Section: Resultsmentioning

confidence: 99%

“…Infiltration assessment and measurement followed the scheme proposed by Osorio et al [25], which assigns a progressive score in accordance with the infiltration extent ( Table 1) (Fig. 2).…”

Section: Optical Microscopy and Microleakage Assessmentmentioning

confidence: 99%

Effects of Pre-Etching in Class V Cavities Restored with Silorane and Methacrylate-Based Composites

Giudice

Lizio

et al. 2016

Dent. Med. Probl.

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Self-etching adhesive (SEA) systems were recently introduced to simplify the bonding procedure, reducing the number of operative steps, and were initially considered a good replacement for the etch-and-rinse adhesive system that uses orthophosphoric acid (H₃PO₄) (PA) for enamel and dentin etching [1]. However, the recent literature underlines that the effectiveness of the enamel bonding with SEA is questionable [2]. This technique in fact provides a bond strength of compos- AbstractBackground. Self-etching adhesive (SEA) systems were recently introduced to simplify the bonding procedure and were initially considered a good replacement for the etch-and-rinse adhesive system that uses orthophosphoric acid (PA) for enamel and dentin etching. Siloranes, a new class of ring opening monomers, were synthesized to overcome the problems related to polymerization shrinkage. This new type of monomer is obtained from the reaction of oxirane and silorane molecules with a volumetric shrinkage determined to be 0.99%. Objectives. To assess the influence of preliminary phosphoric acid etching on the sealing ability of silorane-and methacrylate-based composites. Material and methods. Standard class V cavities were prepared on the buccal side of 48 extracted, sound, human premolars. The specimens were randomly divided in two groups: A) Silorane System ® /Filtek Silorane ® ; B) Scotchbond Universal ® /Filtek Supreme ® . Each group was divided in two subgroups. A1) and B1): no preetching was performed. A2) and B2): selective, enamel pre-etching was performed. The interfacial sealing ability of the materials was evaluated by scoring the depth of methylene blue penetration through optical microscope observations. The differences in infiltration scores recorded for the tested materials were evaluated for statistical significance (Kruskal-Wallis ANOVA, Mann-Whitney U test, p < 0.05).Results. No groups showed a "0" score, and group B2 had the lowest individual score, reaching at least a "2" score.In the silorane groups, pre-etching decreased the infiltration score but the result was not statistically significant. No statistically significant differences emerged among the tested materials except for the Bis-GMA composite restored group where the pre-etching significantly reduced the interfacial leakage (p < 0.05).Conclusions. Selective enamel pre-etching significantly reduced the marginal infiltration in class V cavities, restored with Bis-GMA composite and a self-etching adhesive system. The low-shrinking silorane composite achieved better sealing ability (Dent. Med. Probl. 2016, 53, 3, 365-372).

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Microleakage and interfacial morphology of self‐etching adhesives in class V resin composite restorations

Cited by 66 publications

References 24 publications

Effect of Phosphoric Acid Etching of Enamel Margins on the Microleakage of a Simplified All-in-One and a Self-etch Adhesive System

Effect of Phosphoric Acid Etching of Enamel Margins on the Microleakage of a Simplified All-in-One and a Self-etch Adhesive System

Spatially resolved photopolymerization kinetics and oxygen inhibition in dental adhesives

Effects of Pre-Etching in Class V Cavities Restored with Silorane and Methacrylate-Based Composites

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