Effect of Zinc Oxide-Eugenol Temporary Restorations on Bond Strength of Composite Resin
Publish place: Journal of Dental Materials and Techniques، Vol: 9، Issue: 1
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JDMT-9-1_003
تاریخ نمایه سازی: 1 مرداد 1399
Abstract:
Introduction: Effect of zinc oxide-eugenol (ZO-E) on bond strength of composite is equivocal. The aim of the present study was to determine if ZO-E affects shear bond strength. Methods: For the purposes of the study, extracted human molar teeth were ground so thatcomposite rods could be bonded to dentine. In group 1, dentine was not exposed to ZO-E. In group 2, ZO-E was applied to dentine for 10 days prior to acid etching and bonding the composite. A universal testing machine was used to determine the composite’s shear bond strength. Data were analyzed using t-test. Results: Mean score of shear bond strengths were 137.15 (± 46.82) and 140.08 (± 40.39) N for groups 1 and 2, respectively, with no statistically significant difference. Majority of samples in Group 1 (74% vs. 65%) had clean breaks where the composite fractured without any dentine attached, while the rest of the samples had some dentine attached. Conclusions: ZO-E can be used for temporary fillings without affecting bond strength of subsequent composite restorations.
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Authors
Parnian Zareie
UWA Dental School, The University of Western Australia, Perth, Australia
Jocelyn Ho
UWA Dental School, The University of Western Australia, Perth, Australia
Ching Wen Tan
UWA Dental School, The University of Western Australia, Perth, Australia
Paul Abbott
UWA Dental School, The University of Western Australia, Perth, Australia
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