Tahereh Bitaraf

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OBJECTIVE The aim of this study was to determine the effect of trenched zirconia bar on the von Mises stress distribution of IPS -Empress II core ceramics. MATERIALS AND METHODS The three-dimensional model including a three-unit bridge from the second premolar to the second molar was designed. The model was reinforced with zirconia bar (ZB), zirconia bar(More)
PURPOSE The purpose of this study was to compare microshear bond strength of three different luting resins using a new microshear method closely simulating clinical condition. METHODS Thirty 1-mm-thick slices of intact human first molars and thirty 0.8-mm-diameter feldspathic porcelain rods were etched by 37% phosphoric acid for enamels and 9.5%(More)
OBJECTIVE This study evaluated the effect of saliva contamination during bonding procedures without removing saliva on shear dentin bond strength of three adhesive generations when rubber dam isolation is not feasible. MATERIALS AND METHODS Flat superficial dentin surfaces of seventy-two extracted human molars were randomly divided into three groups (A:(More)
OBJECTIVE This study evaluated von Mises stress distribution, flexural strength and interface micrographs of IPS-Empress II (IPS) inlay-retained fixed partial dentures (IRFPD) reinforced with Zirconia bars (Zb). MATERIALS AND METHODS In the Finite element analysis, six three-dimensional models of IRFPD were designed using Solid Works 2006. Five models(More)
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