نتایج جستجو برای: end fillings
تعداد نتایج: 402311 فیلتر نتایج به سال:
We construct high-quality graphene-based van der Waals devices with narrow superconducting niobium nitride (NbN) electrodes, in which superconductivity and a robust fractional quantum Hall (FQH) state coexist. find possible signature for crossed Andreev reflection (CAR) across the superconductor separating two FQH edges. Our observed CAR probabilities particlelike fillings are markedly higher t...
Neolithic and Bronze Age topsoil relicts revealed enhanced extractable phosphorus (P) and plant available inorganic P fractions, thus raising the question whether there was targeted soil amelioration in prehistoric times. This study aimed (i) at assessing the overall nutrient status and the soil organic matter content of these arable topsoil relicts, and (ii) at tracing ancient soil fertilizing...
INTRODUCTION Because parents play a key role in children's dental health, the aim of this study was to determine the relationship between parents' oral health literacy (OHL) and their children's dental health status in Babol, Iran. METHODS In this cross sectional study a total of 384 children aged 21 months to 84 months who attended the dental clinic of Babol University of Medical Sciences be...
Dental fillings provide a major iatrogenic exposure to xenobiotic compounds due to the high prevalence of surface restorations in developed countries. Experimental data suggest that both amalgams, which contain mercury, and resin-based dental materials cause an impairment of the cellular pro- and anti-oxidant redox balance. The aim of this study was to assess the potential genotoxicity of denta...
The aim of this study was to evaluate in vitro the cytotoxicity on human periodontal ligament fibroblasts of three root-end filling materials: MTA Angelus®, EndoSequence Root Repair Material Putty® and Super EBA®. A primary culture of human periodontal ligament fibroblasts was previously obtained in order to evaluate the cytotoxicity of the three extracts from the root-end filling materials aft...
A set partition of the set [n] = {1,. .. , n} is a collection of disjoint blocks B 1 , B 2 ,. .. , B d whose union is [n]. We choose the ordering of the blocks so that they satisfy min B 1 < min B 2 < · · · < min B d. We represent such a set partition by a canonical sequence π 1 , π 2 ,. .. , πn, with π i = j if i ∈ B j. We say that a partition π contains a partition σ if the canonical sequence...
Introduction: The issue of metal artifact and its reduction is as old as the clinical use of computed tomography itself. When metal objects such as dental fillings, hip prostheses or surgical clips are present in the computed tomography (CT) field of view (FOV), make severe artifacts that reduce the image quality and accuracy of CT numbers. They can lead to unreliable ...
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