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Shear Bond Strength in Zirconia Veneered Ceramics Using Two Different Surface Treatments Prior Veneering
Lana Bergman Gasparic
; University of Zagreb, School of Dental Medicine, Department of Fixed Prosthodontics, Zagreb, Croatia
; University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Zagreb, Croatia
; University of Zagreb, Zagreb University Hospital Center, Dental Clinic, Zagreb, Croatia
Puni tekst: engleski, pdf (182 KB)
Bergman Gasparic, L., Schauperl, Z., Mehulic, K. (2013). Shear Bond Strength in Zirconia Veneered Ceramics Using Two Different Surface Treatments Prior Veneering. Collegium antropologicum, 37(1), 121-125. Preuzeto s http://hrcak.srce.hr/99528
Aim of the study was to assess the effect of different surface treatments on the shear bond strength (SBS) of the veneering ceramics to zirconia core. In a shear test the influence of grinding and sandblasting of the zirconia surface on bonding were assessed. Statistical analysis was performed using SPSS statistical package (version 17.0, SPSS Inc., Chicago, IL, USA) and Microsoft Office Excel 2003 (Microsoft, Seattle, WA, USA). There was a significant difference between the groups considering shear bond strength (SBS) values, i.e. ground and sandblasted samples had significantly higher SBS values than only ground samples (mean difference=–190.67; df=10, t=–6.386, p<0.001). The results of the present study indicate that ground and sandblasted cores are superior to ground cores, allowing significantly higher surface roughness and significantly higher shear bond strength between the core and the veneering material.
shear bond strength; zirconia; veneering ceramics; surface treatment
Hrčak ID: 99528
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