|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Tooth wear against ceramic crowns in posterior region: a systematic literature review显示文摘The objective of this systematic review was to assess tooth wear against ceramic crowns in posterior region in vitro and in vivo. An electronic PubMed search was conducted to identify studies on tooth wear against ceramic crowns in posterior region. The selected studies were analyzed in regard to type of crowns, natural antagonist, measuring protocol and outcome. From a yield of 1 000 titles, 43 articles were selected for full-text analysis; finally, no in vitro and only five in vivo studies met the inclusion criteria. As there is heterogeneity in design, used measuring method, ceramics and analysis-form, a meta-analysis was not possible. Results of these studies are very controversial which makes a scientifically valid comparison impossible. This review indicated that some all-ceramic crowns are as wear friendly as metal-ceramic crowns. Up to now, it has been impossible to associate tooth wear with any specific causal agent. The role of ceramic surface treatment that might be responsible for the changing in rate of tooth wear seems undetermined as yet through clinical trials. The literature reveals that studies on this topic are subject to a substantial amount of bias. Therefore, additional clinical studies, properly designed to diminish bias, are warranted. | Rim Hmaidouch Paul Weigl | 2013 | International Journal of Oral Science2013，5，4： | 3 |
| 2 | Surface roughness of zirconia for full-contour crowns after clinically simulated grinding and polishing显示文摘The aim of this study was to evaluate the effect of controlled intraoral grinding and polishing on the roughness of full-contour zirconia compared to classical veneered zirconia. Thirty bar-shaped zirconia specimens were fabricated and divided into two groups(n515). Fifteen specimens(group 1) were glazed and 15 specimens(group 2) were veneered with feldspathic ceramic and then glazed. Prior to grinding,maximum roughness depth(Rmax) values were measured using a profilometer, 5 times per specimen. Simulated clinical grinding and polishing were performed on the specimens under water coolant for 15 s and 2 N pressure. For grinding, NTI diamonds burs with grain sizes of 20 mm, 10 mm, and 7.5 mm were used sequentially. The ground surfaces were polished using NTI kits with coarse, medium and fine polishers. After each step, Rmaxvalues were determined. Differences between groups were examined using one-way analysis of variance(ANOVA). The roughness of group 1 was significantly lower than that of group 2. The roughness increased significantly after coarse grinding in both groups. The results after glazing were similar to those obtained after fine grinding for non-veneered zirconia. However, fine-ground veneered zirconia had significantly higher roughness than venerred, glazed zirconia. No significant difference was found between fine-polished and glazed zirconia, but after the fine polishing of veneered zirconia, the roughness was significantly higher than after glazing.It can be concluded that for full-contour zirconia, fewer defects and lower roughness values resulted after grinding and polishing compared to veneered zirconia. After polishing zirconia, lower roughness values were achieved compared to glazing; more interesting was that the grinding of glazed zirconia using the NTI three-step system could deliver smooth surfaces comparable to untreated glazed zirconia surfaces. | Rim Hmaidouch Wolf-Dieter Mller Hans-Christoph Lauer Paul Weigl | 2014 | International Journal of Oral Science2014，6，4： | 2 |
| 3 | Fracture resistance of zirconia FPDs with adhesive bonding versus conventional cementation显示文摘 | Rosentritt M Hmaidouch R Behr M | | 0，，02： | 1 |
| 4 | Influence of preparation form,luting space setting and cement type on the marginal and internal fit of CAD/CAM crown copings显示文摘 | Hmaidouch R Neumann P Mueller WD | | 0，，03： | 1 |
您所在的机构暂未开通此部分的功能，请联系管理员