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Assessment of stress distribution using clip/bar attachment design in maxillary implant-supported overdentures in comparison with ball/socket attachment design : 3D finite element analysis / Salamah Wasfi Almasry ; Supervised Hamdi Abo Alfotooh , Mostafa Helmy

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Salamah Wasfi Almasry , 2018Description: 126 P. : charts , facsimiles ; 25cmOther title:
  • تقييم توزيع الجهد بإستخدام وصلة القضيب والمشبك في الأطقم المحموله العلويه المدعمه بالغرسات مقارنة بوصلة الكرة والتجويف : : دراسة تحليل العناصر المحدودة ثلاثية الأبعاد [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: Aim: Is to compare the stress distribution pattern in two different attachment systems namely: Bar\clip. And Ball\socket. In implant supported overdenture at different zones in bone surrounding dental implant with application of force with different magnitudes and directions using 3D Finite element analysis. Material & Methods: 3d model of two edentulous maxilla restored with implant supported overdenture using different attachment designs. Amount of 50, 100 and 150 N load in deferent directions (vertical and oblique) were applied through the overdenture simultaneously on posterior dentition by aid of finite element analyses software. Loads were directed toward the central fossa. Stress analysis was carried out to detect the generated stresses on bone surrounding dental implants. Results: When comparing between both attachments, the maximum Von Mises stresses in vertical loads of 50, 100, and 150 N and both 50 N oblique loads. Ball attachment shows lower stress levels at the cancellous as well as cortical bone surrounding dental implants
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2018.Sa.A (Browse shelf(Opens below)) Not for loan 01010110078052000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2018.Sa.A (Browse shelf(Opens below)) 78052.CD Not for loan 01020110078052000
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Cai01.09.09.M.Sc.2018.Ra.E Effect of different locator attachment on retention of implant retained overdenture on distally inclined implants : An in vitro study / Cai01.09.09.M.Sc.2018.Ra.S Survival rate of e.max CAD laminate veneers cemented with immediate versus delayed cementation technique : Randomized controlled clinical trial / Cai01.09.09.M.Sc.2018.Ra.S Survival rate of e.max CAD laminate veneers cemented with immediate versus delayed cementation technique : Randomized controlled clinical trial / Cai01.09.09.M.Sc.2018.Sa.A Assessment of stress distribution using clip/bar attachment design in maxillary implant-supported overdentures in comparison with ball/socket attachment design : 3D finite element analysis / Cai01.09.09.M.Sc.2018.Sa.A Assessment of stress distribution using clip/bar attachment design in maxillary implant-supported overdentures in comparison with ball/socket attachment design : 3D finite element analysis / Cai01.09.09.M.Sc.2018.Sa.A The accuracy of implant placement using opened versus closed sleeve computer guided surgical guide : A split mouth technique / Cai01.09.09.M.Sc.2018.Sa.A The accuracy of implant placement using opened versus closed sleeve computer guided surgical guide : A split mouth technique /

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

Aim: Is to compare the stress distribution pattern in two different attachment systems namely: Bar\clip. And Ball\socket. In implant supported overdenture at different zones in bone surrounding dental implant with application of force with different magnitudes and directions using 3D Finite element analysis. Material & Methods: 3d model of two edentulous maxilla restored with implant supported overdenture using different attachment designs. Amount of 50, 100 and 150 N load in deferent directions (vertical and oblique) were applied through the overdenture simultaneously on posterior dentition by aid of finite element analyses software. Loads were directed toward the central fossa. Stress analysis was carried out to detect the generated stresses on bone surrounding dental implants. Results: When comparing between both attachments, the maximum Von Mises stresses in vertical loads of 50, 100, and 150 N and both 50 N oblique loads. Ball attachment shows lower stress levels at the cancellous as well as cortical bone surrounding dental implants

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