an invitro comparative study of marginal adaptation of two retrograde materials (gray mta and portland cement) by sem
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A Comparative Investigation of Marginal Adaptation and Surface Defects of MTA and Root MTA as Two Root End Filling Materials
Introduction: This study was carried out to compare two retrograde filling materials entitled mineral trioxide aggregate (MTA) and Root MTA (RMTA) in regard to their marginal adaptation and surface defects. Method: In this study twenty extracted human teeth were used. In all teeth after cleaning and shaping, the root canals were obturated by gutta-percha and root canal sealer. After that in eac...
متن کاملa comparative analysis of the marginal microleakages of two pit and fissure sealans, conseal-f and conseal clear
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15 صفحه اولtransference of imagery: a comparative formalistic study of shakespeares hamlet and its two persian translations
هدف از این تحقیق بررسی انتقال صور خیال هملت در دو ترجمه ی فارسی آن از نظر فرمالیستی بود. برای بدست آوردن داده-های مورد نیاز، 130 نمونه استعاره، مجاز، ایهام، کنایه و پارادوکس در متن اصلی مشخص شده و سپس بر اساس مدل نیومارک (1998) برای ترجمه ی استعاره یا بطور کلی زبان مجاز با معادل های فارسی شان مقایسه گردیدند. این تحقیق بر آن بود تا روش های استفاده شده برای ترجمه هر کدام از انواع زبان مجاز ذکر شد...
15 صفحه اولMTA versus Portland cement: review of literature
Introduction: Both Mineral Trioxide Aggregate (MTA) and Portland cement (PC) have been highlighted because of their favorable biological properties, with extensive applications in Endodontics, including the possibility of using into root canal filling. Objective: This article reviews literature related to MTA and PC comparing their physical, chemical and biological properties, as well as their ...
متن کاملPresence of arsenic in different types of MTA and white and gray Portland cement.
OBJECTIVE The presence of arsenic in various types of mineral trioxide aggregate (MTA) and Portland cements were evaluated to verify if they comply with the ISO-recommended limit for water-based cements of 2 mg arsenic/kg material. STUDY DESIGN An amount of 5 mL of hydrochloric acid was added to 2 g each of MTA and Portland cement to be analyzed. After 15 minutes, the material was filtered an...
متن کاملA Comparative Study of Antimicrobial Activity of Proroot MTA, Root MTA, and Portland Cement on Actinobacillus Actinomycetemcomitans
INTRODUCTION The purpose of our study was to evaluate the antibacterial effect of ProRoot MTA (PRMTA), Root MTA (RMTA) and Portland cement (PC) at their clinical concentration (70 mg/25 µL) against Actinobacillus actinomycetemcomitans (Aa) one of the prominent periodontal (pocket) microorganisms. MATERIALS AND METHODS Agar diffusion test on Blood Agar with Hemin and Vitamin K (BAHV) was emplo...
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عنوان ژورنال:
مجله دانشکده دندانپزشکی مشهدجلد ۳۲، شماره ۱، صفحات ۱۱-۱۶
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