Bülent Şermet

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STATEMENT OF PROBLEM There is limited information on the visual and instrumental evaluation of color match between a natural tooth and a ceramic crown. PURPOSE The purpose of this study was to evaluate the influence of 2 shade guides on color match, and to evaluate the relationship between color difference (ΔE) values and examiners' assessments of the(More)
BACKGROUND The aim of this study was to compare the accuracy of different direct implant impression techniques for edentulous arches with multiple implants. METHODS Five experimental groups (n = 5) were assembled. Experimental models were created by a direct splinted technique (EG2 to EG5) and a non-splinted technique (EG1). In EG2 and EG3 synOcta(More)
The purpose of the study was to determine the effect of mica as filler on in vitro wear of denture teeth PMMA resin. Denture teeth PMMA resin was modified with 4 percentages (5, 10, 15, 20% by weight), silanized and unsilanized mica filler as the test group specimens. Control specimens were unfilled. All of specimens were tested at initial and after 90 days(More)
PURPOSE To evaluate the effect of implant position, impression, and tray material on the accuracy of implant impressions of edentulous arches with multiple implants. MATERIALS AND METHODS Four experimental groups were produced; medium-viscosity polyvinyl siloxane (PVS) was used in 3 groups and polyether was used in 1 group. In PVS groups, different tray(More)
This study evaluated fabrication techniques of recently introduced all-ceramic copings' marginal adaptation on two different implant abutments with different finish lines. Five different copings were prepared (Casted chrome-cobalt metal coping, Zirkonzahn, Cercon, In Ceram Alumina and IPS e.max Press) on two cementable implant abutments with two marginal(More)
A tray selected for the dental patient must adapt to the curvature of the teeth and allow the impression material to be in appropriate thickness everywhere. Generally, the impression trays are selected by the practitioner via testing them in the mouth. The present study was conducted to develop an automated technique for the selection of an appropriate tray(More)
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