نتایج جستجو برای: dental cements

تعداد نتایج: 164534  

Journal: :avicenna journal of dental research 0
mahkameh moshfeghi department of oral and maxillofacial radiology, dental faculty, shahid beheshti university of medical sciences, tehran, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) shadi hamidiaval department of oral and maxillofacial radiology, dental faculty, lorestan university of medical sciences, khorramabad, ir iran; department of oral and maxillofacial radiology, dental faculty, lorestan university of medical sciences, khorramabad, ir iran. tel: +98-2188077784, fax: +98-2122371485سازمان اصلی تایید شده: دانشگاه علوم پزشکی لرستان (lorestan university of medical sciences) mohsen pakghalb faculty of technical and engineering, science and research branch, islamic azad university, tehran, ir iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (islamic azad university science and research branch) alireza akbarzadeh baghban department of basic sciences, school of rehabilitation, shahid beheshti university of medical sciences, tehran, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences)

conclusions the type of materials can influence the obtained gsv. different materials cause various amounts of artifacts due to differences in density and atomic number. results according to the mean gsv of the five different materials, the majority of artifacts produced were as follows: tempbond > zoe > mta > gi (chemfil dentsply) > gi (gc, fuji ιx). materials and methods samples of five cemen...

Journal: :مجله تحقیق در علوم دندانپزشکی و فک و دهان 0
koosha s nematolahi f torshabi m tabatabaei f borzoo y vatandoost am

abstract: background and aim: resin cements are used widely in restorative dentistry regardless of their biocompatibility. the aim of this study was to compare the cytotoxicity of two categories of dental cements consisting of three chemically set cements (fuji i, fuji plus and harvard) and two dual curing cements (biscem and duo-link) by use of mtt assay. materials and methods: in this experim...

Journal: :journal of dentistry, tehran university of medical sciences 0
masoud fallahinejad ghajari associated professor of pediatric dentistry, department of pediatric dentistry, school of dentistry , shahid beheshti university of medical sciences. tehran, iran. ladan eslamian professor of orthodontics, department of orthodontic dentistry, school of dentistry, shahid beheshti university of medical sciences .tehran, iran. azam naji rad pedodontist seyyedeh pouya morovati assistant professor of pediatric dentistry

objectives: this study aimed to compare the incidence of white spot lesions (wsls) around orthodontic bands following the application of two glass ionomer (gi) cements namely gc gold label and gc fuji plus for six to 12 months. materials and methods: a total of 186 permanent first molars of orthodontic patients requiring banding of at least two permanent first molars were chosen. the teeth were...

AM Vatandoost, F Nematolahi, F Tabatabaei, M Torshabi, S Koosha, Y Borzoo,

Background and Aim: Resin cements are used widely in restorative dentistry regardless of their biocompatibility. The aim of this study was to compare the cytotoxicity of two categories of dental cements consisting of three chemically set cements (Fuji I, Fuji PLUS and Harvard) and two dual curing cements (BisCem and Duo-Link) by use of MTT assay. Materials and Methods: In this experimental s...

Journal: :avicenna journal of dental research 0
hamid moradian department of pediatrics, school of dentistry, shiraz university of medical sciences, shiraz, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) shiva jafarian research committee, school of dentistry, shiraz university of medical sciences, shiraz, ir iran; research committee, school of dentistry, shiraz university of medical sciences, shiraz, ir iran. tel: +98-9177176849, fax: +98-7136462181سازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences)

backgrounds the degree of microleakage is one of the main criteria in evaluating the restorative materials such as glass ionomer (gi) restoratives, which are available in two forms: loose powder and liquid form to be hand-mixed or pre-proportioned in a capsule to be mixed mechanically. objectives this study was conducted to compare the microleakage of encapsulated gi restoratives with their han...

Journal: :Journal of endodontics 2012
Wei Wei Yi-pin Qi Sergey Y Nikonov Li-na Niu Regina L W Messer Jing Mao Carolyn M Primus David H Pashley Franklin R Tay

INTRODUCTION Quick-setting calcium aluminosilicate cement with improved washout resistance is a potential substitute for calcium silicate cements in endodontics. This study examined the effect of an experimental calcium aluminosilicate cement (Quick-Set; Primus Consulting, Bradenton, FL) on the viability of odontoblast-like cells. METHODS The biocompatibility of Quick-Set and white ProRoot MT...

Journal: :Journal 1998
D W Jones

The Phenolate Cement Zinc oxide-eugenol cements have always been regarded as the blandest in terms of their effect on the dental pulp. For this reason, these materials were commonly used as the control in biocompatibility pulp research studies on cements and restorative materials. Zinc oxide-eugenol cements have traditionally been used as temporary restoratives because of the sedative effect on...

P Amini S Pouya

Film thickness, strength, solubility and microleakage of dental cements are essential factors in cement selection by dentist. Since failure of metal ceramic restorations is mostly due to their marginal leakage and provious studies have shown that microleakage of Resin, Glassionomer and Zincphosphate cements are different, this study was done to compare the rate of microleakage between Ariadent ...

2014
Jafar Abdulla Mohamed Usman

Many conventional types of luting cement are available for the dental clinicians to choose and restore luting of ceramic crowns. But not all the available luting cements are ideal for all situations. All ceramic restorations do benefit from resin cements bonding to the tooth. Hence it necessitates comparing the bonding ability of different luting cements to ceramic and dentin. The main objectiv...

Journal: :journal of dentistry, tehran university of medical sciences 0
ramin mosharraf professor, dental material research center and department of prosthodontics, school of dentistry, isfahan university of medical sciences, isfahan, iran. sepideh zare private practice, isfahan, iran.

an important factor that interferes with the bonding between the root canal wall and resin cement is the root canal sealer remnant. there is controversy about the effect of eugenol-containing sealers on the bond strength between resin cements and fiber post. the aim of this study was to evaluate the effect of the type of endodontic sealer on the bond strength of frc posts cemented with resin ce...

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