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http://repository.aaup.edu/jspui/handle/123456789/1494| Title: | Effect of an Occlusal Screw-Access Hole on the Fracture Resistance of Permanently Cemented Implant Crowns: A Laboratory Study |
| Authors: | Shadid, Rola$AAUP$Palestinian Abu-Nabaa, Layla$Other$Other Al-Omari, Wael$Other$Other Asfar, Khaled$Other$Other Masoud, Belal$Other$Other |
| Issue Date: | 1-May-2011 |
| Publisher: | Quintessence Publishing Company |
| Citation: | Shadid RM, Abu-Naba'a L, Al-Omari WM, Asfar KR, El Masoud BM. Effect of an occlusal screw-access hole on the fracture resistance of permanently cemented implant crowns: a laboratory study. Int J Prosthodont. 2011 May-Jun;24(3):267-9. PMID: 21519576. |
| Abstract: | This study aimed to evaluate the fracture resistance of cement-retained metalceramic implant-supported posterior crowns. Three groups of 10 restorations each were tested: group A (cement-retained using zinc phosphate), group B (cement-retained using zinc oxide–eugenol), and group C (cement-retained using zinc phosphate but with an occlusal screw-access hole). All specimens were thermocycled and vertically loaded in a universal testing machine. Mean values of fracture loads were calculated and analyzed statistically. The cement-retained restorations without an occlusal screw-access hole showed significantly higher mean fracture loads than those having one. The type of cement did not affect the porcelain fracture resistance significantly. |
| URI: | http://repository.aaup.edu/jspui/handle/123456789/1494 |
| ISSN: | PMID: 21519576 |
| Appears in Collections: | Faculty & Staff Scientific Research publications |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Effect_of_an_occlusal_screw_access_hole.pdf | 93.56 kB | Adobe PDF |  View/Open |
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