In vitro wear of four ceramic materials and human enamel on enamel antagonist

The purpose of the present study was to evaluate the wear of four different ceramics and human enamel. The ceramics used were lithium disilicate glass (e.max Press), leucite-reinforced glass (GN-Ceram), yttria-stabilized zirconia (Aadva Zr), and feldspathic porcelain (Porcelain AAA). Hemispherical styli were fabricated with these ceramics and with tooth enamel. Flattened enamel was used for antagonistic specimens. After 100,000 wear cycles of a two-body wear test, the height and volume losses of the styli and enamel antagonists were determined. The mean and standard deviation for eight specimens were calculated and statistically analyzed using a non-parametric (Steel-Dwass) test (α = 0.05). GN-Ceram exhibited greater stylus height and volume losses than did Porcelain AAA. E.max Press, Porcelain AAA, and enamel styli showed no significant differences, and Aadva Zr exhibited the smallest stylus height and volume losses. The wear of the enamel antagonist was not significantly different among GN-Ceram, e.max Press, Porcelain AAA, and enamel styli. Aadva Zr resulted in significantly lower wear values of the enamel antagonist than did GN-Ceram, Porcelain AAA, and enamel styli. In conclusion, leucite-reinforced glass, lithium disilicate glass, and feldspathic porcelain showed wear values closer to those for human enamel than did yttria-stabilized zirconia.;開始ページ : 295;終了ページ : 300;元資料の権利情報 : (C) 2016 European Journal of Oral Sciences;元資料の権利情報 : This is the accepted version of the following article: European Journal of Oral Sciences, 124(3), pp.295-300; 2016, which has been published in final form at dx.doi.org/10.1111/eos.12272

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書名 In vitro wear of four ceramic materials and human enamel on enamel antagonist
著作者等 中島 潤
書名別名 4種類のセラミック材料とヒトエナメル質の対合エナメル質に対するin vitro摩耗
出版元 John Wiley & Sons Ltd.
刊行年月 c1995-
ページ数 v.
大きさ 28 cm
ISSN 09098836
NCID AA11033550
※クリックでCiNii Booksを表示
言語 英語
出版国 デンマーク
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