Evaluating the shear bond Strength of 2SR Nexco Paste3 versus 2IPS Inline3 for veneering metal substructure : An in vitro study / Mostafa Mahmoud Saleh Elshabrawy ; Supervised Rana Mahmoud Sherif , Maha Taymour

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Mostafa Mahmoud Saleh Elshabrawy

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TextLanguage: English Publication details: Cairo : Mostafa Mahmoud Saleh Elshabrawy , 2015Description: 110 P. : facsimiles ; 25cmOther title:

تقييم قوة الربط القصية لقشرة "اس ارنكسكو"مقارنة بقشرة 3اى بى اس ان لاين : لبنية معدنية : دراسه معملية [Added title page title]

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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine- Department of Prosthodontics Summary: Purpose: This In-Vitro study compared the shear bond strength between indirect composite and porcelain for veneering a metal substructure. Materials and Methods: twenty-four disks cast in nickel chromium alloy were divided equally into two groups and received different treatments for veneering: Indirect Composite (SR Nexco Paste) was applied on one group of specimens; the control group was veneered using porcelain (IPS Inline). The specimens were tested by a circular interface shear test after 2,500 thermocycles between 5{u00BA}C and 55{u00BA}C water baths with a dwell time of 20 seconds. The fractured specimens were evaluated to determine the mode of failure by a scanning electron microscope. Results: The mean shear bond strength values (in MPa) after thermocycling was 10.06 for the indirect composite group and 34.94 for the porcelain group. The metal-ceramic group exhibited significantly higher bond strength than the indirect composite group. Conclusion: SR Nexco can be considered as a reliable material for veneering a metal substructure according to ISO 1477 and Matsumura

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Item type	Current library	Home library	Call number	Copy number	Status	Date due	Barcode
Thesis	قاعة الرسائل الجامعية - الدور الاول	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.09.09.M.Sc.2015.Mo.E (Browse shelf(Opens below))		Not for loan		01010110069045000
CD - Rom	مخـــزن الرســائل الجـــامعية - البدروم	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.09.09.M.Sc.2015.Mo.E (Browse shelf(Opens below))	69045.CD	Not for loan		01020110069045000

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

Purpose: This In-Vitro study compared the shear bond strength between indirect composite and porcelain for veneering a metal substructure. Materials and Methods: twenty-four disks cast in nickel chromium alloy were divided equally into two groups and received different treatments for veneering: Indirect Composite (SR Nexco Paste) was applied on one group of specimens; the control group was veneered using porcelain (IPS Inline). The specimens were tested by a circular interface shear test after 2,500 thermocycles between 5{u00BA}C and 55{u00BA}C water baths with a dwell time of 20 seconds. The fractured specimens were evaluated to determine the mode of failure by a scanning electron microscope. Results: The mean shear bond strength values (in MPa) after thermocycling was 10.06 for the indirect composite group and 34.94 for the porcelain group. The metal-ceramic group exhibited significantly higher bond strength than the indirect composite group. Conclusion: SR Nexco can be considered as a reliable material for veneering a metal substructure according to ISO 1477 and Matsumura

Issued also as CD

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