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Effects of airborne‐particle abrasion, sodium hydroxide anodization, and electrical discharge machining on porcelain adherence to cast commercially pure titanium
Author(s) -
Acar Aslı,
İnan Özgür,
Halkacı Selçuk
Publication year - 2007
Publication title -
journal of biomedical materials research part b: applied biomaterials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.665
H-Index - 108
eISSN - 1552-4981
pISSN - 1552-4973
DOI - 10.1002/jbm.b.30730
Subject(s) - materials science , titanium , bond strength , metallurgy , abrasion (mechanical) , scanning electron microscope , composite material , adhesive , layer (electronics)
The aim of this study was to determine the effect of airborne‐particle abrasion (APA), sodium hydroxide anodization (SHA), and electrical discharge machining (EDM) on cast titanium surfaces and titanium–porcelain adhesion. Ninety titanium specimens were cast with pure titanium and the alpha‐case layer was removed. Specimens were randomly divided into three groups. Ten specimens from each group were subjected to APA. SHA was applied to the second subgroups, and the remaining specimens were subjected to the EDM. For the control group, 10 specimens were cast using NiCr alloy and subjected to only APA. Surfaces were examined by using scanning electron microscope and a surface profilometer. Three titanium porcelains were fused on the titanium surfaces, whereas NiCr specimens were covered with conventional porcelain. Titanium–porcelain adhesion was characterized by a 3‐point bending test. Statistical analysis showed that the porcelain–metal bond strength of the control group was higher than that of the titanium–porcelain system ( p < 0.05). There were no significant differences between the bond strengths of titanium groups ( p 0.05), except the bond strengths of Noritake Super Porcelain TI‐22 groups on which APA and SHA were applied ( p < 0.05). SHA and EDM as surface treatment did not improve titanium–porcelain adhesion when compared to APA. © 2006 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 2006.