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Marginal accuracy and internal fit of CAD/ CAM PEEK based and zirconia based monolithic single crowns : in vitro study / Nancy Sayed Abdelaziz Abdelaal Khalil ; Supervised Hesham Elansary , Lamia Kherialla

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Nancy Sayed Abdelaziz Abdelaal Khalil , 2018Description: 92 P. : charts , facsimiles ; 25cmOther title:
  • التطابق الحافي وإلاحكام الداخلي لتيجان الكاد/ كام البيك و الزركونيا أحادية الطبقة : دراسة معملية [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics Summary: Non-metallic restorations are the most commonly desired among dentists and patients as it offers superior esthetics in terms of translucency, polychromacity and opalescence.Zirconia is a polycrystalline ceramic that was introduced in the dental fixed prosthodontics field as an alternative to long-span posterior ceramometallic FPDs. Moreover, it has higher mechanical properties than glass ceramics. However, zirconia is a brittle material with an elastic modulus of 205-210 GPa. Meawhile, it has high hardness, thus more likely to cause wear of the opposing dentition and rapid wear of the milling tools during construction as well as difficulties in repair if chipped or fractured. Moreover, zirconia lacks the etchable glass matrix and thus forms only a mechanical bond with the tooth substructure
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2018.Na.M (Browse shelf(Opens below)) Not for loan 01010110078153000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2018.Na.M (Browse shelf(Opens below)) 78153.CD Not for loan 01020110078153000

Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics

Non-metallic restorations are the most commonly desired among dentists and patients as it offers superior esthetics in terms of translucency, polychromacity and opalescence.Zirconia is a polycrystalline ceramic that was introduced in the dental fixed prosthodontics field as an alternative to long-span posterior ceramometallic FPDs. Moreover, it has higher mechanical properties than glass ceramics. However, zirconia is a brittle material with an elastic modulus of 205-210 GPa. Meawhile, it has high hardness, thus more likely to cause wear of the opposing dentition and rapid wear of the milling tools during construction as well as difficulties in repair if chipped or fractured. Moreover, zirconia lacks the etchable glass matrix and thus forms only a mechanical bond with the tooth substructure

Issued also as CD

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