Rosentritt, Martin and Behr, M. and Handel, G. (2003) Fixed partial dentures: all-ceramics, fibre-reinforced composites and experimental systems. JOURNAL OF ORAL REHABILITATION, 30 (9). pp. 873-877. ISSN 0305-182X
Full text not available from this repository. (Request a copy)Abstract
The aim of this in vitro study was to compare the fracture strength of three-unit FPDs (fixed partial dentures) and three-unit inlay FPDs after a simulated 5-year oral wearing period. The restorations were made of a pressable all-ceramic (Empress 2) and two specially designed, experimentally fixed partial dentures combining ceramics with dental composite. Three-unit FPDs and inlay FPDs were manufactured and were adhesively luted onto human molars. After thermal cycling and mechanical loading in an artificial environment, the fracture strength was determined. Zircon-based milled ceramic (Lava) three-unit FPDs were used as a control. The zircon ceramic and the fibre-based ceramic three-unit FPDs showed median fracture values between 1000 and 1400 N. For composite veneered zircon FPDs a fracture strength of about 800 N and for all-ceramic Empress 2 of about 350 N could be determined. The results for the inlay FPDs were between 1300 N and 1400 N for FRC/ceramic, 1000 N for zircon/composite and 500 N for all-ceramic restorations. The all-ceramic showed higher fracture resistance applied as inlay FPDs. The described hybrid techniques combining ceramics and composites could represent an interesting procedure for further investigations and, eventually, clinical implication.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | FRACTURE STRENGTH; IN-VITRO; ceramics; fibre-reinforced composite; fixed partial dentures |
| Subjects: | 600 Technology > 610 Medical sciences Medicine |
| Divisions: | Medicine > Lehrstuhl für Zahnärztliche Prothetik |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 01 Sep 2021 07:17 |
| Last Modified: | 01 Sep 2021 07:17 |
| URI: | https://pred.uni-regensburg.de/id/eprint/38671 |
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