Preis, Verena and Hahnel, Sebastian and Kolbeck, Carola and Behrend, Detlef and Warkentin, Mareike and Handel, Gerhard and Rosentritt, Martin (2011) Wear Performance of Dental Materials: A Comparison of Substructure Ceramics, Veneering Ceramics, and Non-Precious Alloys. ADVANCED ENGINEERING MATERIALS, 13 (12). B432-B439. ISSN 1438-1656,
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The aim of this in vitro study was to compare the two-body wear resistance of different dental ceramics and non-precious alloys. Two-body wear tests were performed in a chewing simulator with steatite antagonists. A pin-on-block design with a vertical load of 50N for 1.2 x 10(5) cycles (f=1.6Hz; lateral movement: 1mm, mouth opening: 2mm) was used for the wear test. Surface roughness Ra (SP6, Perthen-Feinpruf, G) and wear depth were determined using a 3D-Profilometer (Laserscan 3D, Willytec, G). Scanning electron microscopy (Quanta FEG 400, FEI, NL) was applied for evaluating wear performance of both, materials and antagonists. Statistics: one-way ANOVA (a=0.05). The in vitro wear test showed that the wear performance of dental materials is strongly influenced by the type of material (ceramic, zirconia, or alloy). Zirconia and alloy provided low wear in contrast to glass-ceramic systems. In contradiction to common expectations, hard zirconia and alloy systems showed even lower antagonistic wear than glass-ceramics.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | FIXED-PARTIAL DENTURES; OCCLUSAL TOOTH WEAR; 2-BODY WEAR; RESTORATIVE MATERIALS; LABORATORY SIMULATION; COMPOSITE RESIN; IN-VITRO; ZIRCONIA; ANTAGONIST; STRENGTH; |
| Subjects: | 600 Technology > 610 Medical sciences Medicine |
| Divisions: | Medicine > Lehrstuhl für Zahnärztliche Prothetik |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 26 May 2020 07:16 |
| Last Modified: | 26 May 2020 07:16 |
| URI: | https://pred.uni-regensburg.de/id/eprint/19731 |
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