Effect of different surface treatments on bond strength between zirconia posts and root surfaces

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dc.authorid0000-0002-5471-555Xen_US
dc.authorid0000-0003-2975-4511en_US
dc.contributor.authorYılmaz, Berivan Dündar
dc.contributor.authorİzgi, Ayça Deniz
dc.date.accessioned2022-10-14T08:09:29Z
dc.date.available2022-10-14T08:09:29Z
dc.date.issued2020en_US
dc.departmentDicle Üniversitesi, Diş Hekimliği Fakültesi, Protetik Diş Tedavisi Bölümüen_US
dc.description.abstractAim: In recent years, especially with the increase in aesthetic demands, there has been a requirement to use the best aesthetic materials for dental restorations. These restorations are especially needed in those teeth that have crown loss due to a tooth fracture or extreme anterior tooth decay, post-core treatment has been applied as getting support by tooth roots. Current treatments involve removing the aesthetic disadvantages and making use of the strength resistance of various metals. In this case, zirconium, which is a white-coloured metal, is preferred. In this study, zirconia posts with different surface treatments were cemented to the root canal and bond strength was then evaluated. Methodology: Forty mandibular second premolar teeth were used in this study. Crowns of all teeth were removed to 14 mm from the enamel-cement margin by separation under irrigation. Root canals were cleaned, shaped and filled. Teeth were kept in distilled water while zirconia posts were prepared. Zirconia posts were divided into four groups according to the surface treatment methods as follows: a control group, a CoJet applied group, a sandblasting+laser group and an Er:YAG laser group. The Er:YAG laser was administered at 450 mJ at 10 Hz for 60 seconds with a 100-μs pulse duration. Surface-treated posts were bonded to the root canal with Panavia F cement. Cores were made with the standardized strip crowns. 5000 cycles, 5-55 °C thermal cycle applied with transition time at 5 seconds. For push-out tests, roots were embedded in translucent acrylic resin and coronal, middle third and apical sections were cut into 1.5-mm slices. The maximum load at failure was recorded for each specimen in newtons and then converted into megapascals (MPa). Each specimen was inspected with a scanning electron microscope (SEM) at a magnification of 100 X. Data were analysed using Games-Howell tests with a significance level of 0.05. Results: The coronal section from Group 3 had the highest mean push-out bond strength (18.01 MPa), while the apical section from Group 1 had the lowest (4.49 MPa). Surface treatments had no significant effect on the mean push-out bond strengths of zirconia posts (p > 0.05). However, dividing the root canal into three sections had a significant effect on bond strength (p < 0.05). When the results were evaluated for all groups, the push-out bond strength was highest in the coronal section, then in the middle third and the lowest in the apical section. Conclusion: The combined application (sandblasting+laser) had a significant effect on the push-out bond strength of zirconia posts. The root region also had a significant effect on bond strength and there was a significant difference between the apical and coronal sections.en_US
dc.identifier.citationYılmaz, B. D. ve İzgi, A. D. (2020). Effect of different surface treatments on bond strength between zirconia posts and root surfaces. International Dental Research, 10(2), 49-54.en_US
dc.identifier.doi10.5577/intdentres.2020.vol10.no2.4
dc.identifier.endpage54en_US
dc.identifier.issn2146-1767
dc.identifier.issue2en_US
dc.identifier.startpage49en_US
dc.identifier.trdizinid412185
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/412185
dc.identifier.urihttps://hdl.handle.net/11468/10642
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/412185
dc.identifier.volume10en_US
dc.indekslendigikaynakTR-Dizin
dc.institutionauthorYılmaz, Berivan Dündar
dc.institutionauthorİzgi, Ayça Deniz
dc.language.isoenen_US
dc.publisherUluslararası Diş Araştırmaları Birliğien_US
dc.relation.ispartofInternational Dental Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBond strengthen_US
dc.subjectZirconia postsen_US
dc.subjectEr:yag laseren_US
dc.subjectPush-out testen_US
dc.subjectSEMen_US
dc.titleEffect of different surface treatments on bond strength between zirconia posts and root surfacesen_US
dc.titleEffect of different surface treatments on bond strength between zirconia posts and root surfaces
dc.typeArticleen_US

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