نتایج جستجو برای: file fracture

تعداد نتایج: 151799  

Journal: :Applied sciences 2023

The present study aims to measure the number of cycles leading fracture (NCF) instruments in static and dynamic cyclic fatigue situations under body temperature stainless steel double-curved canals. framework was constructed establish movement occurring at a stable temperature. A step motor, holding system for an endodontic handpiece, created out artificial canal file mounted on handpiece. tota...

2014
Kiumars Nazari Moghadam Shahriar Shahab Golriz Rostami

INTRODUCTION The purpose of this in vitro study was to compare the canal transportation and centering ability of Twisted File (TF) to that of Reciproc system. METHODS AND MATERIALS Forty noncalcified roots with mature apices, minimum length of 19 mm and an apical curvature of 15-30 degrees (according to Schneider's method), from freshly extracted mandibular and maxillary teeth, were selected ...

Journal: :Journal of the Korea Institute of Information Security and Cryptology 2014

2016
Mohsen Aminsobhani Mohamad Saleh Khalatbari Naghmeh Meraji Abdollah Ghorbanzadeh Ehsan Sadri

INTRODUCTION The aim of this study was to compare several metallurgic properties of Neoniti instrument with four other commonly used endodontic rotary files. METHODS AND MATERIALS Neoniti A1 (25/0.08), RaCe (25/0.06), Mtwo (25/0.06), Twisted file (25/0.06) and ProTaper Next X2 (25/0.06) were examined by differential scanning calorimetry (DSC) before and after heat treatment at 500°C. X-ray di...

2017
Taha Özyürek Neslihan Büşra Keskin Fatma Furuncuoğlu Uğur İnan

OBJECTIVES To determine the actual revolutions per minute (rpm) values and compare the cyclic fatigue life of Reciproc (RPC, VDW GmbH), WaveOne (WO, Dentsply Maillefer), and TF Adaptive (TFA, Axis/SybronEndo) nickel-titanium (NiTi) file systems using high-speed camera. MATERIALS AND METHODS Twenty RPC R25 (25/0.08), 20 WO Primary (25/0.08), and 20 TFA ML 1 (25/0.08) files were employed in the...

Journal: :veterinary research forum 2015
hadi naddaf soroush sabiza narges kavosi

a 3-year-old arabian colt was presented for a major gingiva wound at the right rostral part of mandible. after clinical assessments, rostral mandibular fracture was determined. stabilization of fractured region was achieved via cerclage wire application under general anesthesia. fixation wires were left in place for 6 weeks. a 3 -month follow up revealed complete fracture healing. the purpose o...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید