Results 21 to 30 of about 39,492 (350)

Thin composite polymethyl methacrylate films with silicon dioxide nanoparticles

open access: yesЖурнал Белорусского государственного университета: Химия, 2021
Techniques for the formation of thin polymer films based on polymethyl methacrylate and composite coatings with silicon dioxide nanoparticles on glass and silicon substrates have been optimised, and their structural characteristics have been studied by ...
Dmitry V. Sapsaliou   +6 more
doaj   +1 more source

The Performance of Polymethyl Methacrylate/Clay Nanocomposite as Novel Pour Point Depressant on Rheological Properties of Model Waxy Crude Oil [PDF]

open access: yesJournal of Petroleum Science and Technology, 2020
A novel polymeric nanocomposite pour point depressant (PPD), based on polymethyl methacrylate (PMMA) and montmorillonite (MMT) clay, was synthesized and characterized.
Mohammad Ali Kazemi   +2 more
doaj   +1 more source

In vitro evaluation of shear bond strength of polymethyl methacrylate/montmorillonite modified Biodentine with dental resin composite [PDF]

open access: yesEur Oral Res
Purpose: The aim of this study was to evaluate the bond strength between Biodentine, modified with polymethyl methacrylate/Montmorillonite nanoclay, and resin composite at different stages of Biodentine's setting time.Materials and Methods: Nanoclay was ...
Elmergawy F, Elborady O, Wahied D.
europepmc   +2 more sources

Evaluation of flexural properties and dynamic mechanical analysis of glass fiber-reinforced polyamide resin

open access: yesEuropean Oral Research, 2021
Purpose: The aim of this study was to evaluate flexural strength, elastic modulus and dynamic mechanical analysis (DMA) of heat-polymerized polymethyl methacrylate resin, polyamide resin and glass fiber-reinforced polyamide resin.
Senem Ünver   +1 more
doaj   +1 more source

Thermopolymerized Acrylic Resin Immersed or Incorporated with Silver Nanoparticle: Microbiological, Cytotoxic and Mechanical Effect [PDF]

open access: yesMaterials Research, 2021
Associated with the use of removable prostheses, the development of candidiasis, called prosthetic stomatitis, is frequently observed. In view of the application of silver nanoparticles (AgNP) in dentistry that may offer antimicrobial effect, the aim of ...
Murilo Costa Rangel Pinheiro   +3 more
doaj   +1 more source

Characterization of Polymethyl Methacrylate (PMMA) Composites with Graphite [PDF]

open access: yesE3S Web of Conferences, 2023
PMMA Composites have become the most popular materials due to its excellent strength-to-weight ratio, graphite reinforced for engineering applications.
Lade Jayahari   +6 more
doaj   +1 more source

The effects of disinfectant solutions on the viscoelastic properties of acrylic resins

open access: yesCumhuriyet Dental Journal, 2014
Objectives: The aim of this paper was to analysis the effects of disinfectant solutions on polyoxymethylene viscoelastic properties in comparison with polymethyl methacrylate.Materials and Methods: Polymethyl methacrylate and polyoxymethylene acrylic and
Gulsen Can, Perihan Oyar
doaj   +1 more source

A Comparative Evaluation of Shear Bond Strength Between Two Commercially Available Heat Cured Resilient Liners and Denture Base Resin with Different Surface Treatments [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2015
Background: Soft denture liners are widespread materials used in prosthetic dentistry. Their mechanical properties have to meet several key requirements such as adequate bond to denture base resins in order to provide right function of masticatory ...
Anshul Khanna   +4 more
doaj   +1 more source

Salvage of Infected Nasal Reconstruction with a Polymethyl Methacrylate Spacer

open access: yesPlastic and Reconstructive Surgery, Global Open, 2017
Summary:. Total nasal reconstruction is a challenging multistage procedure. Infections can destroy the cartilage framework and seriously compromise the result.
Pedro C. Cavadas, MD, PhD   +2 more
doaj   +1 more source

Modification of the wettability characteristics of polymethyl methacrylate (PMMA) by means of CO2, Nd:YAG, excimer and high power diode laser radiation [PDF]

open access: yes, 2001
The surface of the bio-material polymethyl methacrylate (PMMA) was treated with CO2, Nd:YAG, excimer and high power diode laser (HPDL) radiation. The laser radiation was found to effect varying degrees of change to the wettability characteristics of the ...
Agathopoulos   +48 more
core   +1 more source

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