EFFECT OF SURFACE FINISHING METHODS, pH AND TEMPERATURE ON ROUGHNESS AND ION RELEASE OF CERAMICS
Niler Ozdemir Akkus, Gökhan AksoyABSTRACT
Material and Method: 20 ceramic disks (82 mm) (Empress II, Zirkonzahn, Noritake Cerabien ZR, ffinesse, Vita VM7) were fabricated and categorized into autoglazed and polishing (n=10). The surface roughness (Ra) was evaluated before and after corrosion. After subjecting the specimens to in vitro corrosion (pH 4.5–pH 7–pH
9 in water at 37°C±2°C for 18 hours and at pH 2.4 in 4% acetic acid solution at 80°C±2°C for 18 hours), ion release was assessed. Data were analyzed using ANOVA and Bonferroni Test (=0.05). Multiple comparisons were analyzed by Student t-test.
Results: Al, Na, Li, Si ions were leached from all ceramic groups. Ra was significantly changed between the groups at various pH (p<0.05). Post corrosion Ra values were lower than pre corrosion for polished groups.
Conclusion: Glazed surfaces are more resistant to corrosion for high sintering ceramics. Polishing can also be a reliable technique when restorations removal is avoided.
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Pubmed Style
Niler Ozdemir Akkus, Gökhan Aksoy. [EFFECT OF SURFACE FINISHING METHODS, pH AND TEMPERATURE ON ROUGHNESS AND ION RELEASE OF CERAMICS]. Nobel Med 2022; 18(3): 194-200, English. -
Web Style
Niler Ozdemir Akkus, Gökhan Aksoy. [EFFECT OF SURFACE FINISHING METHODS, pH AND TEMPERATURE ON ROUGHNESS AND ION RELEASE OF CERAMICS]. www.nobelmedicus.com/en/Article.aspx?m=1716 [Access: Mayıs 24, 2021], English. -
AMA (American Medical Association) Style
Niler Ozdemir Akkus, Gökhan Aksoy. [EFFECT OF SURFACE FINISHING METHODS, pH AND TEMPERATURE ON ROUGHNESS AND ION RELEASE OF CERAMICS]. Nobel Med 2022; 18(3): 194-200, English. -
Vancouver/ICMJE Style
Niler Ozdemir Akkus, Gökhan Aksoy. [EFFECT OF SURFACE FINISHING METHODS, pH AND TEMPERATURE ON ROUGHNESS AND ION RELEASE OF CERAMICS]. Nobel Med (2022); 18(3): 194-200, [cited Mayıs 24, 2021], English. -
Harvard Style
Niler Ozdemir Akkus, Gökhan Aksoy. (2022) [EFFECT OF SURFACE FINISHING METHODS, pH AND TEMPERATURE ON ROUGHNESS AND ION RELEASE OF CERAMICS]. Nobel Med, 18(3): 194-200, English.