Effect of Different Surface Treatments on Bond Strength of Resin Cement to a CAD/CAM Restorative Material

Journal of Prosthodontics - Tập 28 Số 1 - Trang 71-78 - 2019
Kubilay Barutcigil1, Çağatay Barutçigil2, Esra Kul3,1, Mehmet Mustafa Özarslan1, Ulviye Şebnem Büyükkaplan1
1Department of Prosthetic Dentistry, Faculty of Dentistry, Akdeniz University, Antalya, Turkey.
2Department of Restorative Dentistry, Faculty of Dentistry, Akdeniz University, Antalya, Turkey
3Department of Prosthetic Dentistry Faculty of Dentistry, Atatürk University Erzurum Turkey

Tóm tắt

AbstractPurpose

To investigate the effects of various surface treatment methods on the shear bond strength of self‐adhesive resin cement to a novel CAD/CAM hybrid ceramic material.

Materials and Methods

A novel hybrid ceramic restorative material (Vita Enamic) was used in this study. Sixty resin block specimens were prepared and separated into six groups for each surface treatment method (n = 10); group 1: control group, no treatment applied; group 2: sandblasted by 30 μm silicate‐coated alumina particles (CoJet Sandblasting); group 3: 50 μm Al2O3 sandblasting; group 4: 10% hydrofluoric acid; group 5: no surface treatment + universal adhesive (3M Single Bond Universal); group 6: 200 mJ, 10 Hz 2W Er,Cr:YSGG laser treatment. For each specimen, surface roughness measurements in noncontact mode were taken after the surface treatments using a portable surface texture‐measuring machine. A self‐adhesive resin cement (3M U200) was applied on every surface treated with the help of a cylindrical mold (2 × 4 mm) and was filled gradually. Shear bond strength was measured using a universal test machine, and one‐way ANOVA and a Duncan test (p = 0.05) were used to analyze the data.

Results

Mean values of the shear bond strength varied between 7.75 and 10.73 MPa. Bond strength values were enhanced by all surface treatment methods compared to the control group. The difference between group 5 and the control group (p < 0.05) was statistically significant, whereas there were no considerable differences between other treatment methods.

Conclusion

Surface treatments of hybrid ceramic resin blocks could enhance the bond strength to resin cement; however, using Single Bond Universal without surface treatment showed a higher bond strength value.

Từ khóa


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Thông tin xuất bản

Journal of Prosthodontics

Tập 28 Số 1

71-78

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