Shereen Ahmed Nossair <br/><br/>
Fracture resistance and final translucency of different all ceramic impant- supported abutment- crown combination /  
 مقاومة الكسر والشافاني النهائي لدعامة الغرسات والتيجان الخزفيه 
Shereen Ahmed Nossair ; Supervised Hesham Abdelmegid Katamish , Atef Shaker Ibrahim , Mostafa Nabil Aboushelib 
 - Cairo :   Shereen Ahmed Nossair ,   2013 
 - 132 Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics 
<br/><br/> Objective: The aim of this investigation is to evaluate the fracture resistance and final translucency of different all ceramic implant-supported abutment-crown combinations. Result: The cement retained groups restored with monolithic glass ceramic crowns (feldspathic and lithium disilicate crowns) were the most translucent, while the cement retained group restored with zirconia crowns and the screw retained directly veneered group were the least translucent. The results demonstrated a statistically insignificant effect of the abutment design; and the type of superstructure on the fracture resistance of the abutment crown combinations 
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<br/><br/><label>Subjects--Index Terms: </label>CAD/CAM abutments    Fracture resistance  Zirconia implant abutments