نتایج جستجو برای: endosequence root repair material
تعداد نتایج: 626846 فیلتر نتایج به سال:
OBJECTIVE To document the growth of the left heart structures and outcome of fetuses with aortic stenosis. DESIGN Retrospective echocardiographic and clinical study. SETTING Tertiary centre for fetal cardiology. PATIENTS 27 consecutive fetuses with aortic stenosis. MAIN OUTCOME MEASURES Survival of affected fetuses. Measurement of left ventricular end diastolic volume (LVEDV), aortic ro...
In the research presented in this paper, a failure analysis were carried out to identify causes of an incident, which had taken place after an operation to repair a leak in an interstate natural gas pipeline. In this operation, a partial encirclement reinforcement (patch) was welded to the carrier pipe according to an available hot taping procedure, while gas was flowing in the pipeline. The fa...
OBJECTIVE Review of surgical repair of aortic root aneurysms using composite graft or homograft in children. METHODS A consecutive series of 34 children (mean age 10.8+/-5.4 years) who underwent elective aortic root replacement using composite graft or homograft from 1987 to 2003 (mean follow-up 5.7+/-3.7 years). RESULTS Preoperatively, the aortic annulus and aortic root average z-scores we...
The leakage of bacteria through endodontic repair materials is a matter of great concern in dentistry, as the success of repair of furcation perforations or root ends lies in the seal provided by the material against bacterial infiltrations. In vitro microleakage techniques (like dye penetration and fluid filtration) are used to assess the sealing ability of repair materials. However, such micr...
STATEMENT OF PROBLEM One of the most challenging procedural accidents during pulpotomy of primary molars is furcal perforation. To prevent bacterial invasion, the perforation site should be sealed as soon as possible. PURPOSE The aim of the current study is to investigate the ability of the pro-root MTA and new endodontic cement (NEC) in repairing the furcation perforations of primary molar t...
Comparison of remaining obturating material on canal walls using rotary and hand instrumentation techniques for endodontic re-treatment Dr. J. Ghoddusi*- Dr. P. Ghaziani*- Dr. Sh. Nazari** *Associate Professor of Endodontics Dept., Faculty of Dentistry, Mashhad University of Medical Sciences. **Assistant Professor of Endodontics Dept., Faculty of Dentistry, Hamedan University of Medical Science...
In the research presented in this paper, a failure analysis were carried out to identify causes of an incident, which had taken place after an operation to repair a leak in an interstate natural gas pipeline. In this operation, a partial encirclement reinforcement (patch) was welded to the carrier pipe according to an available hot taping procedure, while gas was flowing in the pipeline. The fa...
Objective To investigate the effect of different setting conditions on surface microhardness and setting properties of calcium silicate-based sealers. Methods Three sealers, EndoSequence Bioceramic (BC; Brasseler USA, Savannah, GA, USA), Endoseal MTA (ES; Maruchi, Wonju, Korea), and Well-Root ST (WR; Vericom, Chuncheon, Korea), were compared. Specimens were exposed to either butyric acid (pH ...
As a vibration- free concrete, self- compacting concrete (SCC) can be easily used in the absence of consolidation, therefore; it is a good option for repairing and retrofitting concrete structures. The quality of repair layer is highly effective on a successful repair. Accordingly, in this study, factors affecting the quality of fiber-reinforced self-compacting concrete repair layer, including ...
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