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dc.contributor.authorAmonrat Chaiprasongsooken_US
dc.contributor.authorPenpimol Tuangsettawuten_US
dc.contributor.authorPiyapanna Pittayachawanen_US
dc.contributor.authorปิยพรรณา พิทยชวาลen_US
dc.contributor.authorSomchai Manopatanakulen_US
dc.contributor.authorสมชัย มโนพัฒนกุลen_US
dc.contributor.otherMahidol University. Faculty of Dentistry. Department of Advanced General Dentistryen_US
dc.identifier.citationChaiprasongsook A, Tuangsettawut P, Pittayachawan P, Manopatanakul S. Systematized bracket-enamel adhesion test. M Dent J. 2014; 34(2): 114-21.en_US
dc.identifier.issn0125-5614 (printed)-
dc.description.abstractObjective: Bracket-enamel adhesion studies should address the most important issues – systematic tests and comparable results. Therefore, the purpose of this study is to standardize the bracket-enamel adhesion test by controlling all variables systematically. Materials and methods: Fifty-six human enamel-bracket adhesions were tested by controlling significant factors including enamel surface, adhesive paste and bracket. The thermocycling was completed (15 sec, 2000 cycles, 5 and 55 degree Celsius). The shear test was exerted by Instron Universal machine (Model 5566, Instron Corp., UK). Moreover, the failure site characteristics were evaluated. The results were analysed using Weibull analysis. Results: The mean debonding stress and Weibull modulus were 9.47 MPa (S.D.=1.41) and 7.58, respectively. This result was compared to relevant study using t-test. The result suggested that bonds of bracket to human enamel were significantly lower than bond to bovine enamel (P<0.01) despite the similar research methodology. Additionally, the failure sites were analysed using Adhesive Remnant Index (ARI). Most brackets of this study showed the ARI of three. Conclusions: To summarize, the mean stress to break the bond was 9.47 MPa (S.D.=1.41). It could also be concluded that meaningful comparison should arise from systematic studies. However, among the similar research studies, the debonding stress of bracket to bovine enamel was higher than human premolar enamel.en_US
dc.rightsMahidol Universityen_US
dc.subjectDental debondingen_US
dc.subjectDebonding stressen_US
dc.subjectLight-curing of dental adhesivesen_US
dc.subjectOrthodontic bracketsen_US
dc.subjectWeibull analysisen_US
dc.subjectHuman enamelen_US
dc.subjectOpen Access articleen_US
dc.subjectMahidol Dental Journal-
dc.titleSystematized bracket-enamel adhesion testen_US
dc.rights.holderFaculty of Dentistry Mahidol Universityen_US
dc.contributor.correspondenceSomchai Manopatanakulen_US
dc.contributor.correspondenceสมชัย มโนพัฒนกุลen_US
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