Inas A. Elalem <br/><br/>
Clinical Evaluation of The Marginal Integrity, and Internal Fit of E-Max Endocrown Restorations with Different Marginal Preparation Designs. Ex-Vivo // MS // Dr. Rabab M. Ibraheem // Dr. Ahmed M. Hamdy (2018-2019) 

 - Giza :  MSA,  2019. 
 - 3 P. 
 - DENTISTRY DISTINGUISHED PROJECTS 2019 .
<br/><br/> MSA Post Graduate Studies 
<br/><br/> Purpose: The aim of this study was to evaluate clinically the marginal integrity, and<br/>internal fit of endodontically treated molar teeth restored with endocrown restorations<br/>with two different preparation designs.<br/>Materials and Methods: Seventeen patients had a twenty endocrown restorations<br/>which were constructed of lithium disilicate (IPS E.max press ceramic). The endocrown<br/>restorations were randomly and equally divided into two groups regarding the<br/>marginal preparation designs; group 1: had a butt joint preparation and group 2: had<br/>a circumferential preparation with deep chamfer finish line. Evaluation of the marginal<br/>integrity and the internal fit were performed using silicon replica technique, each<br/>replica was sectioned into four segments and each segment had five reference points to<br/>be measured using digital microscope at 35X magnification. The data were analyzed<br/>using Two-way ANOVA and Post-hoc tests. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Endocrown Restorations