نتایج جستجو برای: acrylic denture base

تعداد نتایج: 271728  

2017
Ahmad M. Al-Thobity Khalifa S. Al-Khalifa Mohammed M. Gad Mohammed Al-Hariri Aiman A. Ali Talal Alnassar

Candida albicans adhesion and proliferation on denture bases may lead to denture stomatitis, which is a common and recurrent problem in denture wearers. The goal of this study was to assess the inhibitory effect of thymoquinone incorporated in the polymethyl methacrylate denture base material against Candida albicans. Eighty acrylic resin specimens were fabricated and divided into eight groups ...

Journal: :The Journal of prosthetic dentistry 2005
Y Sinasi Sarac Duygu Sarac Tolga Kulunk Safak Kulunk

STATEMENT OF PROBLEM Fracture of a repaired denture base often occurs at the junction of the base and repair materials rather than within these materials. PURPOSE The purpose of the study was to evaluate the shear bond strengths of 4 denture base acrylic resins following the use of 3 chemical solvents and to examine treated acrylic resin surfaces under a field emission scanning electron micro...

Journal: :The Saudi dental journal 2014
Nour M Ajaj-Alkordy Mohannad H Alsaadi

BACKGROUND Fractures of acrylic resin dentures are a common occurrence in clinical dentistry. The denture may be fractured accidentally when dropped or while in service in the mouth due to flexural fatigue. OBJECTIVES The aim of this study was to compare the elastic modulus and the flexural strength between two heat-cured acrylic resins used in denture bases: a high-impact resin (Lucitone 199...

Journal: :avicenna journal of dental research 0
fariborz vafaee department of prosthodontics, dental research center, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) abolghasem mohammadi department of prosthodontics, shahid beheshti university of medical sciences, tehran, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) masoumeh khoshhal department of periodontics, school of dental medicine, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) hanif allahbakhshi department of prosthodontics, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) hamidreza soleimani mehr department of prosthodontics, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iran; department of prosthodontics, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iran. tel: +98-9123757972سازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences)

conclusions coffee caused the most color changes in the examined resin denture teeth. tea and cola left less staining on the teeth, and distilled water caused the least discoloration. generally, investing by heat- and cold-cured acrylic resins can significantly affect the color stability of resin denture teeth; however, heat-cured acrylic resins had fewer color changes. results there were signi...

Journal: :journal of dentistry, shiraz university of medical sciences 0
masoomeh aslanimehr dept. of microbiology, cellular and molecular research center, qazvin university of medical sciences, qazvin, iran. shirin rezvani habibabadi dental caries prevention research center, qazvin university of medical sciences, qazvin, iran. ali mahmoudi dentist, private practice, shiraz, iran. najmeh moosavi dept. of prosthodontics, school of dentistry, qazvin university of medical sciences, qazvin, iran.

statement of the problem: candida species are believed to play an important role in initiation and progression of denture stomatitis. the type of the denture material also influences the adhesion of candida and development of stomatitis. purpose: the aim of this study was comparing the adherence of candida albicans to the conventional and injection molding acrylic denture base materials. materi...

Journal: :journal of dentistry, shiraz university of medical sciences 0
mahroo vojdani biomaterial research center, school of dentistry, shiraz university of medical sciences, shiraz, iran. rashin giti postgraduate student, dept. of prosthodontics, school of dentistry, shiraz university of medical sciences, shiraz, iran.

the purpose of this article was to review the biocompatibility, physical, and mechanical properties of the polyamide denture base materials. an electronic search of scientific papers from 1990-2014 was carried out using pubmed, scopus and wiley inter science engines using the search terms “nylon denture base” and “polyamide denture base”. searching the key words yielded a total of 82 articles. ...

Journal: :Nihon Hotetsu Shika Gakkai zasshi 1988
S Suzuki M Sakoh A Shiba

Crossliked plastic denture teeth have been used clinicaly in order to improve the poor wear resistance of conventional acrylic denture teeth. We suggest that highly crosslinked denture teeth are possibly disadvantaged compared with conventional ones, when considering the adhesion to denture base and impact resistance. The purpose of this study is to evaluate the impact resistance of crosslinked...

Journal: :The Journal of prosthetic dentistry 2001
J John S A Gangadhar I Shah

STATEMENT OF PROBLEM Despite the favorable properties of conventional PMMA used as a denture base material, its fracture resistance could be improved. PURPOSE This in vitro study was performed to determine whether the flexural strength of a commercially available, heat-polymerized acrylic denture base material could be improved through reinforcement with 3 types of fibers. MATERIAL AND METH...

2013
Fatih Mehmet Korkmaz Bora Bagis Mutlu Özcan Rukiye Durkan Sedanur Turgut Sabit Melih Ates

PURPOSE This study investigated the effect of laser parameters and air-abrasion on the peel strength of silicon-based soft denture liner to different denture resins. MATERIALS AND METHODS Specimens (N=180) were prepared out of three different denture base resins (Rodex, cross-linked denture base acrylic resin; Paladent, heat-cured acrylic resin; Deflex, Polyamide resin) (75 mm × 25 mm × 3 mm)...

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