Ahmed kamal Ebeid <br/><br/>
Submitted to the faculty of oral and dental medicine cairo university for the partial fulfillement of the doctorate's degree in dental surgery /  
Ahmed kamal Ebeid ; Suppervised Hesham Abd El Megid Katamish , Adel MoheyElDin ElKhodary 
 - Cairo :   Ahmed kamal Ebeid ,   2006 
 - 135P :   diagrs ;   30cm 
<br/><br/>Thesis (PH.D.) - Cairo University - Faculty Of Oral and Dental Medicine - Department Of Prosthodontics 
<br/><br/> The present study was done to evaluate a new generation of Zirconium oxide ceramic material , recommended for - unit and 4 - unit posterior fixed prosthodonticsBridges were fabricated and evaluated laboratory and clinical before and after cementation using Panavia resin cement Ten bridges 3 - unit and ten bridges 4 - unit were fabricated for laboratory studyMarginal accuracy was evaluated by means of traveling microscope to measure vertical gap distanceFracture strength was also evaluated using Instron testing machineFractured samples were evaluated using scanning electron microscopeFinally fractured bridges were grinded with potassium bromide to evaluate the nature of interaction between cement and core material using infrared spectroscopy 
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