نتایج جستجو برای: ی acrylic resins

تعداد نتایج: 125135  

Journal: Current Medical Mycology 2016

Background and Purpose: In people wearing dentures, the growth of various Candida species under the prosthesis leads to the formation of biofilm, which can play the role of a reservoir for Candida and other kinds of microbes. Since nano-chitosan particles can cause lasting antimicrobial activity, a more recent approach that utilizes acrylic resins with nano-chitosan particles is proposed. Th...

Golbidi, Fariba, Meghdadi, Amir,

A comparison of the impact strength between Acropars and Meliodent acrylic resins Dr. F. Golbidi* - Dr. A. Meghdadi** *-Assistant Professor of Prosthodontics Dept. – Faculty of Dentistry – Isfahan University of Medical Sciences. **-Dentist. Background and Aim: One of the mostly used materials in removable prostheses are acrylic resins with various physical and mechanical properties. The impact ...

2012
Lavinia Ardelean Cristina Bortun Angela Podariu Laura Rusu

The development of resins represented a great step forward in dental technique, the first thermopolymerisable acrylic resins being developed in 1936. Acrylic resins are better known as poly(methyl methacrylate) or PMMA. They are synthetically obtained materials that can be modelled, packed or injected into molds during an initial plastic phase which solidify through a chemical reaction-polymeri...

ژورنال: مجله دندانپزشکی 2003
بازرگان زاده, محمدعلی, عبادیان, بهناز ,

Statement of Problem: The construction of dental materials has been developing inside the country.Cold- cured acrylic resins are of such materials which are used in removable prostheses.Purpose: The aim of this study was to compare the dimensional changes of two types of cold-cured acrylic resins, Acropars and Meliodent.Material and Methods: Forty acrylic discs, with diameter of 13.7 mm, were m...

Journal: :European Journal of Dentistry 2008
Suleyman Hakan Tuna Filiz Keyf Hasan Onder Gumus Cengiz Uzun

OBJECTIVES The absorption of water by acrylic resins is a phenomenon of considerable importance since it is accompanied by dimensional changes, a further undesirable effect of absorbed water in acrylic resins to reduce the tensile strength of the material. Solubility is also an important property because it represents the mass of soluble materials from the polymers. METHODS Ten acrylic resin-...

Journal: :Journal of Synthetic Organic Chemistry, Japan 1949

ژورنال: مجله دندانپزشکی 2003
شادزی, شهلا, صوابی, امید, مظاهری, رومینا, نجاتی دانش, فرحناز,

Statement of Problem:The surface topography of denture base material is an important factor for the adhesion of Candida albicans and other microorganisms.Purpose: The aim of this study was to evaluate the adherence of Candida albicans to four types of denture base materials (Acropars acrylic resin, Meliodent acrylic resin, rough and smooth surfaces of Molloplast B).Materials and Methods: Seven ...

Journal: :current medical mycology 0
zeinab sadeghi ardestani department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran mehraban falahati department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran sharareh sayah alborzi department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran mahtab ashrafi khozani department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran fatemeh rostam khani department of prosthodontics, dental school, shahid beheshti university of medical sciences, tehran, iran abbas bahador department of microbiology, school of medicine, tehran university of medical sciences, tehran, iran

background and purpose: in people wearing dentures, the growth of various candida species under the prosthesis leads to the formation of biofilm, which can play the role of a reservoir for candida and other kinds of microbes. since nano-chitosan particles can cause lasting antimicrobial activity, a more recent approach that utilizes acrylic resins with nano-chitosan particles is proposed. there...

Journal: :journal of dentistry, tehran university of medical sciences 0
m ebrahimi saravi prosthodontist, department of prosthodontics, school of dentistry, shiraz university of medical sciences, shiraz, iran. m vojdani f bahrani

this study aimed to evaluate the cellular toxicity of two newly-released acrylic resins (futura gen and gc reline hard) in comparison with the conventional heat-cure resin (meliodent).sample discs from each acrylic resin were placed in 24-well culture plates along with l929 mouse fibroblast cell line. a mixture of the rpmi 1640 medium, antibiotics and 10% fbs was added to the plates and the spe...

Alkyd resins are amongst the most important and widely used resins in coating sectors. In this communication we report on preparation of alkyd resins emulsified by grafted acrylic resins on their fatty acid moieties. Both high-shear mechanical homogenizer and ultra-sonic sonicator were used step-wise to disperse the alkyd resin and acrylic based monomers in aqueous media. The resins are of nano...

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