laboratory evaluation of marginal porcelain extension on microleakage of base metal crowns
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منابع مشابه
An evaluation of the marginal integrity of porcelain fused to base metal crowns after extension of porcelain to the border of the margin
An evaluation of the marginal integrity of porcelain fused to base metal crowns after extension of porcelain to the border of the margin Dr. Sh. Rokni* - Dr. M. Seifi** - Dr. A. Eizadi *** *- Professor & Head of Prosthodontics Dept. Faculty of Dentistry – Mashhad University of Medical Sciences. **- Assistant Professor of Prosthodontics Dept. Faculty of Dentistry – Mashhad University of Medical ...
متن کاملthe influence of porcelain firing cycle on marginal fitness of electroformed metal-ceramic crowns
background and aim: metal ceramic restorations are widely used in crowns. the marginal fitness of these artificial crowns is prone to alteration during the firing cycle of porcelain. gold electroformed metal-ceramic restorations have been introduced as alternatives to conventional metal-ceramic restorations. however little is known about the relationship between procelain firing procedures and ...
متن کاملEffect of base metal alloys recasting on marginal integrity of castable crowns.
INTRODUCTION Base metals have a wide use in casting methods. Sometimes they are reused in laboratories which may have an adverse effect on the restoration marginal integrity. This study aimed to investigate the effect of recasting of alloys on marginal integrity of restorations. MATERIALS AND METHODS Models with two types of finishing lines shoulder bevel 45° and shoulder 135° were produced a...
متن کاملبررسی اثر پختهای مکرر چینی و نوع آلیاژ بیس‌متال و نابل بر انطباق مارژین شولدر پرسلن
Statement of Problem: In order to eliminate the esthetic problem of metal collar in porcelain fused to metal crowns various techniques, such as shoulder porcelain, have been suggested. Purpose: The aim of this study was to investigate the effects of repeated porcelain firing cycles on the marginal integrity of shoulder in porcelain fused to metal crowns, made of two kinds of alloys: noble and b...
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عنوان ژورنال:
مجله دانشکده دندانپزشکی مشهدجلد ۲۹، شماره شماره ۱,۲، صفحات ۷۵-۸۰
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