نتایج جستجو برای: polycarboxylate ether
تعداد نتایج: 22000 فیلتر نتایج به سال:
In 6 dogs, experiments were performed to determine the tissue reaction of the dental pulp at the 7, 30 and 60 days after direct contact of the pulp with the obturation material through a microcommunication orifice with diameter up to 1 mm, formed in the fundic part of an experimental cavity. Capping of 36 mandibular premolars with traumatically exposed pulp was carried out. On the exposed pulp,...
The aim of the current study was to evaluate the influence of polycarboxylate temporary cement remaining on the dentin surface on the bond strength of a composite luting system. An acrylic resin plate was luted to bovine dentin with a polycarboxylate temporary cement (HY-Bond Temporary Cement Hard, HYB). The temporary cement was not used for the control groups. After removing the temporary ceme...
PURPOSE The objective of this study was to evaluate the influence of various cement types on the stress distribution in monolithic zirconia crowns under maximum bite force using the finite element analysis. MATERIALS AND METHODS The models of the prepared #46 crown (deep chamfer margin) were scanned and solid models composed of the monolithic zirconia crown, cement layer, and prepared tooth w...
Nanomaterial based drug delivery systems allow for the independent tuning of the surface chemical and physical properties that affect their biodistribution in vivo and the therapeutic payloads that they are intended to deliver. Additionally, the added therapeutic and diagnostic value of their inherent material properties often provides extra functionality. Iron based nanomaterials with their ma...
در پروژه حاضر داده های تعادلی فشار بخار برحسب کسر مولی مایع برای سیستم های methanol()methyl tert - buthyl ether/ در درجه حرارت های 25،35،45درجه سانتیگراد و سیستم) diisopropyl ether/methanol(در دمای 30 درجه سانتیگراد اندازه گیری شده است . برای اندازه گیری از دستگاهی شبیه به دستگاه gibbs vanness که به روش استاتیکی کار می کند استفاده شده است . تمام سیستمهای اندازه گیری شده انحراف مثبت از قانون رائ...
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