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The effect of different pretreatments and cleaning methods prior to adhesive cementation of lithium disilicate restorations: In vitro study
Malmö University, Faculty of Odontology (OD). Department of Prosthodontics, College of Dentistry, University of Taif, Taif, Saudi Arabia.
Malmö University, Faculty of Odontology (OD). Ministry of Health, Abha, Saudi Arabia.ORCID iD: 0009-0009-8738-5372
Malmö University, Faculty of Odontology (OD). Department of Preventive Dentistry, College of Dentistry, University of Hail, Hail, Saudi Arabia.ORCID iD: 0000-0002-3121-4269
Malmö University, Faculty of Odontology (OD).ORCID iD: 0000-0002-3912-0830
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2024 (English)In: Saudi Dental Journal, ISSN 1013-9052, E-ISSN 1658-3558, Vol. 36, no 12, p. 1623-1626Article in journal (Refereed) Published
Abstract [en]

Aim: This study aimed to evaluate the bond strength of adhesively cemented lithium disilicate restorations to dentin by applying different pretreatments and cleaning methods.

Material and Methods: Twenty-five human posterior teeth were mounted in an acrylic mold, flattened to expose mid-coronal dentin, and divided into five groups based on different pretreatments and cleaning methods prior to adhesive cementation. After cementation, the teeth were sectioned to obtain 1 mm2 specimens, yielding 15 specimens in each group that were subjected to aging and thermocycling process, followed by a microtensile bond test and failure mode assessment.

Results: The highest bond strength values were in the control group and in the group that was treated with fluoride and where the temporary cement was removed using pumice, whereas the lowest values were in groups that were cleaned by excavator irrespective of whether they were treated with fluoride or not. However, all groups showed mainly cohesive failure without any statistically significant differences.

Conclusions: To eliminate any possible negative impact of eugenol on adhesion to dentin, surface cleaning by rotational brush and pumice is recommended prior to cementing lithium disilicate restorations.

Place, publisher, year, edition, pages
Elsevier, 2024. Vol. 36, no 12, p. 1623-1626
Keywords [en]
Adhesives, Ceramics, Dentin, Dental bonding, Eugenol, Fluorides, Lithium disilicate, Resin cements
National Category
Dentistry
Identifiers
URN: urn:nbn:se:mau:diva-72777DOI: 10.1016/j.sdentj.2024.12.001Scopus ID: 2-s2.0-85211164689OAI: oai:DiVA.org:mau-72777DiVA, id: diva2:1921616
Available from: 2024-12-16 Created: 2024-12-16 Last updated: 2024-12-19Bibliographically approved

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Alshammari, HatemLarsson, ChristelPapia, Evaggelia

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