Can dentin surfaces be bonded safely with total-etch and self-etch systems?
Abstract: Objective: To assess and compare the shear bond strengths (SBSs) of orthodontic brackets bonded to enamel and dentin surfaces by using total-etching and 3 different self-etching adhesives. Materials and Methods: A total of 160 extracted mandibular incisors were randomly divided into 4 groups. In Group I, the hard tissue was etched with 37% phosphoric acid; in Group II, Transbond Plus Self Etching Primer (TSEP) system was used; in Group III, Clearfil Tri-S Bond Plus was used; and, in Group IV, AdheSE was used. Each group was divided into 2 subgroups: The enamel surfaces were conditioned in subgroup-A, and the dentin surfaces were conditioned in subgroup-B. The samples were stored in water for 24 h at 37°C and then thermocycled. The SBS in megapascals (MPa) was determined by a shear test with 0.5 mm/min crosshead speed, and failure types were classified with modified adhesive remnant index (ARI) scores. The data were analyzed with two-way analyses of variance, Tukey′s, and Chi-square tests at the 0.05 level. Results: The mean SBS value of subgroup-A in Group I was significantly higher than the mean values in the other groups (P<0.05). There were no significant differences among the SBS values in the other groups (P>0.05). Significant differences were found in the ARI between subgroup-A in Group I and the other groups (P<0.001). Conclusions: When used on the enamel, the self-etch systems did not have bond strengths as high as that in the conventional method. However, the self-etch systems can be used as successfully as the conventional method on dentin surfaces.
- Location
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                Deutsche Nationalbibliothek Frankfurt am Main
 
- Extent
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                Online-Ressource
 
- Language
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                Englisch
 
- Bibliographic citation
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                Can dentin surfaces be bonded safely with total-etch and self-etch systems? ; volume:3 ; number:01 ; year:2014 ; pages:34-38
European journal of general dentistry ; 3, Heft 01 (2014), 34-38
 
- Contributor
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                Akin, Mehmet
Baka, Zeliha Muge
Ileri, Zehra
Basciftci, Faruk Ayhan
 
- DOI
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                        10.4103/2278-9626.126208
 
- URN
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                        urn:nbn:de:101:1-2021121611104073306710
 
- Rights
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                        Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
 
- Last update
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                        15.08.2025, 7:24 AM CEST
 
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Associated
- Akin, Mehmet
 - Baka, Zeliha Muge
 - Ileri, Zehra
 - Basciftci, Faruk Ayhan