نتایج جستجو برای: mineral trioxide aggregrate
تعداد نتایج: 70053 فیلتر نتایج به سال:
mta (mineral trioxide aggregate) علی رغم خصوصیات کاربردی عالی , به علت زمان ستینگ طولانی و استحکام فشاری و خمشی نسبتاً پایین در کوتاه مدت , استفاده از آن مستلزم صرف وقت کلینیکی زیاد و محدود به نواحی کم تنش می باشد. سیمان پرتلند که با mta شباهت ساختاری دارد با افزودن ذرات نانو سیلیکا تغییرات فیزیکی و مکانیکی مناسبی پیدا کرده است. لذا هدف از این مطالعه بررسی نقش نانو ذرات سیلیکا بر برخی خواص مکانی...
INTRODUCTION Mineral trioxide aggregate is being widely used for root end filling, pulp capping, perforation repair, and other endodontic procedures. Recently, a material similar to ProRoot mineral trioxide aggregate (PMTA) was developed in Iran named Root mineral trioxide aggregate (RMTA) with the claim of having the exact result of original MTA. The purpose of this study was to compare the am...
AIM The aim of this retrospective study was to evaluate the clinical and radiographic success of pulpotomy on primary molars performed by dental students compared to that performed by an expert operator. METHODS The study was conducted on 142 second primary molars in 102 children. The patients were randomly selected from the available records. The test group (treated by dental students) inclu...
a Department of Inorganic and Analytical Chemistry, University of Szeged, Dóm tér 7. H-6720 Szeged, Hungary 8 b MTA-SZTE Bioinorganic Chemistry Research Group, University of Szeged, Dóm tér 7. H-6720 Szeged, 9 Hungary 10 c Centro de Química e Bioquímica (CQB), Faculdade de Ciências, ULisboa, Campo Grande, Lisbon, Portugal 11 d Centro de Química Estrutural (CQE), Faculdade de Ciências, ULisboa, ...
The purpose of this investigation was to study, in vitro, the antifungal effect of mineral trioxide aggregate (MTA) using a tube-dilution test. MTA was tested freshly mixed and after 24 h set on Candida albicans. The tested MTA was incubated with C. albicans for 1 h, 24 h, and 3 days. Results showed that the freshly mixed MTA was effective in killing the tested fungi after 1 day of contact, whe...
The Dirac reduction technique used previously to obtain solutions of the classical dynamical Yang-Baxter equation on the dual of a Lie algebra is extended to the PoissonLie case and is shown to yield naturally certain dynamical r-matrices on the duals of Poisson-Lie groups found by Etingof, Enriquez and Marshall in math.QA/0403283. Postal address: MTA KFKI RMKI, H-1525 Budapest 114, P.O.B. 49, ...
Mineral trioxide aggregate (MTA) restoratives and MTA sealers are commonly used in endodontics. Commonly referenced standards for testing of MTA are ISO 6876, 9917-1 and 10993. A PubMed search was performed relating to the relevant tests within each ISO and "mineral trioxide aggregate". MTA restoratives are typically tested with a mixture of tests from multiple standards. As the setting of MTA ...
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