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Evaluation of vertical marginal gap of highly translucent full contour zirconia crowns versus veneered translucent zirconia crowns for precision of fit of zirconia crowns : An in vitro study / Abdulsattar Hasan Naji Ali Albaadani ; Supervised Rana Mahmoud Sherief , Ashraf Taher Kheir Eldean

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Abdulsattar Hasan Naji Ali Albaadani , 2015Description: 104 P. : photographs ; 25cmOther title:
  • تقييم الفجوة الرأسية الحافية لتيجان الزركونيا العالى الشفافية الكامل المحيط مقارنة بـتيجان الزركونيا الشفاف المكسو فيما يتعلق بـالتطابق الحافى الدقيق لتيجان الزركونيا : دراسة 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: The present study evaluated the vertical marginal gap distance of recently introduced monolithichighly translucent zirconia crowns compared to veneered translucent zirconia with two different finish lines (shoulder and deep chamfer). A total of twenty four (n=24) crown samples were constructed frommonolithic highly translucent zirconia (n = 12) and veneered translucent zirconia {u200E}(n = 12) {u200E}using CAD / CAM system on specially designed stainless steel die (8mm cervical diameter, 6mm occluso gingival height and 15-degree total occlusal convergence). The preparation ended with either: 1mm shoulder finish line or 1mm deep chamfer finish line. The crown samples were then divided into two equal groups: Group I: (n = 12) monolithichighly translucent zirconia (zirkonzahn prettau zirconia). Group II: (n = 12) veneered translucent zirconia (zirkonzahn Ice zirconia). Each group was then subdivided into two equal subgroups: Subgroup 1: (n = 6) shoulder finish line. Subgroup 2: (n = 6) deep chamfer finish line. 24 Impressions form the stainless steel dies were made using a cylindrical copper perforated tray, these impressions were then poured into type IV improved dental stone to obtain an exact replica to the stainless steel dies. The stone dies received monolithichighly translucent zirconia crowns (prettau) (n = 12) and veneered translucent zirconia crowns (ICE zirconia) (n = 12), with two different finish line designs (shoulder (n = 6) and chamfer (n = 6)). Veneering of the translucent core was done using the layering technique.And after definitive sintering for both groups, the vertical marginal gap distance of all samples was tested by using a stereomicroscope, and the data were tabulated and statistically analyzed
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2015.Ab.E (Browse shelf(Opens below)) Not for loan 01010110068752000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2015.Ab.E (Browse shelf(Opens below)) 68752.CD Not for loan 01020110068752000
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Cai01.09.09.M.Sc.2015.Ab.E Effect of veneering technique and thickness on color matching of translucent Ice Zirconia substructure veneered with lithium disilicate using pressable technique versus conventional layering technique : An in vitro study = تأثير سماكة الطلى و تقنية الطلى على مطابقة اللون للزركونيا الجليدى الشفاف المطلى بالليثيوم ثنائى السليكا باستخدام تقنية الضغط مقارنة بتقنية الطبقات العادية : دراسة معملية / Cai01.09.09.M.Sc.2015.Ab.E Effect of veneering technique and thickness on color matching of translucent Ice Zirconia substructure veneered with lithium disilicate using pressable technique versus conventional layering technique : An in vitro study = تأثير سماكة الطلى و تقنية الطلى على مطابقة اللون للزركونيا الجليدى الشفاف المطلى بالليثيوم ثنائى السليكا باستخدام تقنية الضغط مقارنة بتقنية الطبقات العادية : دراسة معملية / Cai01.09.09.M.Sc.2015.Ab.E Evaluation of vertical marginal gap of highly translucent full contour zirconia crowns versus veneered translucent zirconia crowns for precision of fit of zirconia crowns : An in vitro study / Cai01.09.09.M.Sc.2015.Ab.E Evaluation of vertical marginal gap of highly translucent full contour zirconia crowns versus veneered translucent zirconia crowns for precision of fit of zirconia crowns : An in vitro study / Cai01.09.09.M.Sc.2015.Ab.I Immunological evaluation of heat cured silicone versus hard acrylic resin in maxillary obturators using elisa test for immunoglobulin a in patients having class I maxillary defects armany classification : A Randomized clinical trial / Cai01.09.09.M.Sc.2015.Ab.I Immunological evaluation of heat cured silicone versus hard acrylic resin in maxillary obturators using elisa test for immunoglobulin a in patients having class I maxillary defects armany classification : A Randomized clinical trial / Cai01.09.09.M.Sc.2015.Ah.E The effect of thermoplastic resin relining materials in complete dentures on the oral microbial flora of diabetic patients /

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

The present study evaluated the vertical marginal gap distance of recently introduced monolithichighly translucent zirconia crowns compared to veneered translucent zirconia with two different finish lines (shoulder and deep chamfer). A total of twenty four (n=24) crown samples were constructed frommonolithic highly translucent zirconia (n = 12) and veneered translucent zirconia {u200E}(n = 12) {u200E}using CAD / CAM system on specially designed stainless steel die (8mm cervical diameter, 6mm occluso gingival height and 15-degree total occlusal convergence). The preparation ended with either: 1mm shoulder finish line or 1mm deep chamfer finish line. The crown samples were then divided into two equal groups: Group I: (n = 12) monolithichighly translucent zirconia (zirkonzahn prettau zirconia). Group II: (n = 12) veneered translucent zirconia (zirkonzahn Ice zirconia). Each group was then subdivided into two equal subgroups: Subgroup 1: (n = 6) shoulder finish line. Subgroup 2: (n = 6) deep chamfer finish line. 24 Impressions form the stainless steel dies were made using a cylindrical copper perforated tray, these impressions were then poured into type IV improved dental stone to obtain an exact replica to the stainless steel dies. The stone dies received monolithichighly translucent zirconia crowns (prettau) (n = 12) and veneered translucent zirconia crowns (ICE zirconia) (n = 12), with two different finish line designs (shoulder (n = 6) and chamfer (n = 6)). Veneering of the translucent core was done using the layering technique.And after definitive sintering for both groups, the vertical marginal gap distance of all samples was tested by using a stereomicroscope, and the data were tabulated and statistically analyzed

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