Yıl 2018, Cilt: 52 Sayı : 3 Sayfalar 122 - 126 2018-09-01
Effects of coloring procedures on shear bond strength between resin cement and colored zirconia
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Öz DOI: 10.26650/eor.2018.440PurposeDebonding is expected as a frequent failuretype in zirconia restorations. Therefore the aim of the current study is toevaluate the shear bond strength between colored zirconia and resin cement. Materials and methodsThere were 11 groups evaluated eachcontaining 12 zirconia discs (15 mm x 12 mm x 1.6 mm). Groups were colored withthe colors A3, B1, C4, D2, and D4 of the VITA classical shade scale. Coloringprocedure was carried out for either 3 second or 60 seconds for the studygroups and the control group was left untreated. Specimens were then bonded totranslucent resin cement having a thickness of 3 mm and width of 3 mm. Theshear bond strength of the samples was measured in a universal testing machinewith a crosshead speed of 1 mm per minute. Two-way analysis of variance andTukey’s HSD test were used for pairwise comparisons. Also paired t-test wasused for comparing groups with the same color but having different shadingtimes.ResultsAny significant difference was not foundbetween the shear bond strengths of samples depending on whether color orshading times. Among the groups, B1 (60 seconds of coloring) had the highestbond strength (10.05 MPa), while A3 (60 seconds of coloring) showed the lowestbond strength (6.72 MPa). However, these differences were not statisticallysignificant.ConclusionColoring zirconia did not affect the shearbond strength between zirconia and resin cement.

Anahtar Kelimeler

Shear bond strength; ceramic; coloring; zirconia; resin cement
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Konular Sağlık Bilimleri ve Hizmetleri
Yayımlanma Tarihi 1 Eylül 2018
Bölüm Araştırmalar / Original Articles

Yayımlanma Tarihi : 1 Eylül 2018

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