evaluation of apical microleakge in cavity preparation with different dimension for retrograde filling
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منابع مشابه
Effectiveness of Er:YAG laser in cavity preparation for retrograde filling--in vitro study.
The purpose of this study was to determine the sealing quality of Super EBA cement in laser prepared root-end cavities in comparison with root-end cavities classically prepared with steel burrs. Two groups of three millimeter root sections were prepared. The first group was prepared with the Er:YAG laser and the second group with a steel burr mounted on a surgical handpiece. The sections were f...
متن کاملComparison of microleakage in three different retrograde cavity preparations with Mineral Trioxide Aggregate as filling material
Background: The apical seal is the single most important factor in determining the success of surgical endodontics, the aim of this study was to compare the sealing ability of Mineral Trioxide Aggregate in three different cavity designs. Materials and Methods: Thirty extracted human single-rooted teeth were divided into three groups of ten teeth per group, a retrograde cavity preparation was ca...
متن کاملEvaluation of apical filling after root canal filling by 2 different techniques.
OBJECTIVE To determine the percent gutta-percha-filled area in the apical third of root canals after filling with 2 different root filling techniques. MATERIALS AND METHODS Thirty extracted human lower premolars were instrumented with ProTaper rotary files (Dentsply Maillefer) and then randomly divided into 2 groups of 15 teeth each. The first group was filled using the single-cone technique ...
متن کاملIn vitro comparative evaluation of apical microleakage with three different root-end filling materials
Aim: To compare and evaluate the microleakage of three root end filling materials -Mineral Trioxide Aggregate (MTA), Biodentine and bioaggregate using vacuum dye penetration technique. Materials and methodology: Thirty extracted single rooted premolars were selected and decoronated. Root canals of teeth were cleaned, shaped using hand protaper file and obturated with corresponding gutta percha ...
متن کاملCutting ability of an ultrasonic retrograde cavity preparation instrument.
The aim of this study was to investigate the cutting ability of a working ultrasonic instrument designed for surgical endodontic use (Neosonic, Amadent Corp, Cherry Hill, NJ, USA). Three designs of tip, designated CT 1 to CT 3 were calibrated by measuring their displacement amplitudes in air using light microscopy over a range of power settings. Extracted teeth were sectioned longitudinally and...
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عنوان ژورنال:
مجله دانشکده دندانپزشکی مشهدجلد ۲۹، شماره شماره ۳,۴، صفحات ۱۷۱-۱۷۶
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