Publication: Efficacy of uncommon surface treatment methods on titanium in order to improve bond strengths for adhesive cementation
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2016-01-01T00:00:00Z
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Kilicarslan, Mehmet Ali
Ozkan, Pelin
Mumcu, Emre
Deniz, ŞULE TUĞBA
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Abstract
The aim of this study is to comparison of effects of uncommon surface treatments, especially new alternatives on the adhesive strength between resin and titanium surfaces. Fifty-five titanium disks were prepared and they were separated into 5 groups as follows:(1) Control group; (2) Tribochemical treatment group in the laboratory; (3) Tribochemical treatment group in the clinic; (4) Acid etch group; and (5) Nd:YAG Laser-irradiated group. Surface roughness of the specimens was measured using a profilometer, and the topographic patterns were observed by scanning electron microscope. After these tests, resin cement was applied to the titanium samples. Shear bond test was performed via a universal testing machine at a crosshead speed of 0.5 mm/minute. In addition, the correlation between the surface roughness and bond strength was checked using Spearman correlation test (0.01 level). The highest surface roughness value was observed for the acid etch group (1.53 mu m). The highest mean shear bond strength was recorded with the tribochemical procedure group in the laboratory (13.74 MPa) and the lowest with the control group (3.69 MPa). A positive correlation was found between the bond strength and surface roughness for all groups. All of the surface treatment methods that were used in present study increased the bond strength between resin and titanium except for the laser group.
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Kilicarslan M. A. , Ozkan P., Mumcu E., Deniz Ş. T. , -Efficacy of uncommon surface treatment methods on titanium in order to improve bond strengths for adhesive cementation-, JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY, cilt.30, ss.2345-2356, 2016