| 000 | 02440cam a2200313 a 4500 | ||
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| 003 | EG-GiCUC | ||
| 008 | 150415s2011 ua dh f m 000 0 eng d | ||
| 040 |
_aEG-GiCUC _beng _cEG-GiCUC |
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| 041 | 0 | _aeng | |
| 049 | _aDeposite | ||
| 097 | _aM.Sc | ||
| 099 | _aCai01.09.09.M.Sc.2011.Ey.I | ||
| 100 | 0 | _aEyad Fathi saleem | |
| 245 | 1 | 4 |
_aThe influence of core design on fracture resistance of all-ceramic crowns / _cEyad Fathi saleem ; Supervised Eman Salah Hamdy , Jylan Fouad Elguindy |
| 246 | 1 | 5 | _aتأثير تصميم اللب على مقاومة الكسر للتيجان الخزفية |
| 260 |
_aCairo : _bEyad Fathi saleem , _c2011 |
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| 300 |
_a75 Leaves : _bcharts , facsimiles ; _c30cm |
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| 502 | _aThesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics | ||
| 520 | _aThis study was conducted to investigate the influence of core design on fracture resistance for all-ceramics crowns. a stainless-steel metal die was constructed then duplicated to produce stone dies for the construction of all-ceramic crowns, the die was designed to include 1.2mm shoulder finish line, and 60 total wall tapering, a total of fifteen posterior upper first premolar full crown restorations were divided into 3 groups (n=5) each: (1) Group I: core thickness 0.7mm (with 1mm collar all around), and veneer thickness 0.5mm, the core fabricated of all- ceramic zirconia-based crown and veneered with a ceramic (VITA VM®9, Vita zhanfabrik); and (2) Group II: core thickness 0.7mm ( all surface except buccal 0.5mm), and veneer thickness 0.5mm (all surface except buccal 0.7mm), with the same material of group I; and (3) Group III: core thickness 0.5mm (with 3mm palatal collar extended to contact area), and veneer thickness 0.7mm, with the same material of group I and II. Then metal die duplicated to epoxy resin material were used in fracture testing. Specimens were subjected to compressive loading using a universal testing machine at a crosshead speed of 1.0mm/min. A stereomicroscope was used to determined the failure modes of specimens | ||
| 530 | _aIssued also as CD | ||
| 653 | 4 | _aCeramic crowns | |
| 653 | 4 | _aCore design | |
| 653 | 4 | _aFracture resistance | |
| 700 | 0 |
_aEman Salah Hamdy , _eSupervisor |
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| 700 | 0 |
_aJylan Fouad Elguindy , _eSupervisor |
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| 905 |
_aNazla _eRevisor |
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| 905 |
_aSoheir _eCataloger |
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| 942 |
_2ddc _cTH |
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| 999 |
_c50446 _d50446 |
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