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KMID : 1023820150070030249
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The Journal of Advanced Prosthodontics
2015 Volume.7 No. 3 p.249 ~ p.256
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Effect of atmospheric plasma versus conventional surface treatments on the adhesion capability between self-adhesive resin cement and titanium surface
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Emre Seker
Mehmet Ali Kilicarslan
Sule Tugba Deniz
Emre Mumcu
Pelin Ozkan
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Abstract
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PURPOSE : The aim of this study was to evaluate the effects of atmospheric plasma (APL) versus conventional surface treatments on the adhesion of self-adhesive resin cement to Ti-6Al-4V alloy.
MATERIALS AND METHODS : Sixty plates of machined titanium (Ti) discs were divided into five groups (n=12): 1) Untreated (CNT); 2) Sandblasted (SAB); 3) Tribochemically treated (ROC); 4) Tungsten CarbideBur (TCB); 5) APL treated (APL). SEM analysis and surface roughness (Ra) measurements were performed. Self-adhesive resin cement was bonded to the Ti surfaces and shear bond strength (SBS) tests, Ra and failure mode examinations were carried out. Data were analyzed by one-way analysis of variance and chi-squared test.
RESULTS : The lowest SBS value was obtained with CNT and was significantly different from all other groups except for APL. The ROC showed the highest SBS and Ra values of all the groups.
CONCLUSION : It was concluded that the effect of APL on SBS and Ra was not sufficient and it may not be a potential for promoting adhesion to titanium.
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KEYWORD
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Titanium, Surface treatment, Non-thermal atmospheric pressure plasma, Micromechanical retention, Self-adhesive resin cement, Shear bond strength
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