Results 11 to 20 of about 22,741 (294)

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   +2 more sources

Cranioplasty with polymethyl methacrylate implant: solutions of pitfalls

open access: yesEgyptian Journal of Neurosurgery, 2018
Background Cranioplasty is important to cover defects following skull surgery and trauma for restoration of function and cosmoses. The objective of the study is to describe the author’s technical experience with the use of polymethyl methacrylate (PMMA ...
Wael M. A. Abd El-Ghani
doaj   +2 more sources

Effect of Molecular Chain Structure on Fracture Mechanical Properties of Aeronautical Polymethyl Methacrylate Using Extended Digital Image Correlation Method [PDF]

open access: yesAdvances in Materials Science and Engineering, 2016
The main purpose of this work is to investigate the fracture mechanical properties of aeronautical polymethyl methacrylate, which has been treated with directional tensile technology.
Wei Shang   +3 more
doaj   +2 more sources

Phenanthraquinone-Doped Polymethyl Methacrylate Photopolymer for Holographic Recording

open access: yesMolecules, 2022
Phenanthraquinone-doped polymethyl methacrylate (PQ/PMMA) photopolymers are considered to be the most promising holographic storage media due to their unique properties, such as high stability, a simple preparation process, low price, and volumetric ...
Jinhong Li   +12 more
doaj   +2 more sources

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

open access: yesEuropean Oral Research
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 ...
Fagr Hassan Elmergawy   +2 more
doaj   +2 more sources

Experience of using polymethyl methacrylate membranes for anti-HLA antibodies’ elimination by hemodialysis in renal transplant recipients

open access: yesТрансплантология (Москва), 2019
Introduction. In recipients with pre-existing sensitization with incompatible antigens of the main histocompatibility complex, the kidney graft survival after retransplantations directly depends on the level of anti-HLA antibodies.
E. I. Pervakova   +4 more
doaj   +3 more sources

Effect of Reaction Temperature on Tacticity in Polymerization of Methyl Methacrylate: A Study by Nuclear Magnetic Resonance Spectroscopy [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2022
Hypothesis: In the synthesis of vinyl polymers, one of the important parameters that play a significant role in the physical-mechanical properties is the tacticity of monomers within the polymer chain.
Mohammadreza Jozaghkar   +3 more
doaj   +1 more source

Dalbavancin is thermally stable at clinically relevant temperatures against methicillin-sensitive Staphylococcus Aureus [PDF]

open access: yesJournal of Bone and Joint Infection, 2023
Introduction: While the rate of orthopaedic infections has remained constant over the years, the burden on healthcare systems continues to rise with an aging population.
A. K. Hoyt   +7 more
doaj   +1 more source

Depth-dose distribution in potatoes with low-energy X-rays

open access: yesTạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, 2022
Irradiation is known as a handful measure to inhibit potato sprouting, kill harmful bacteria, and increase preservation. The absorbed dose is one of the essential characteristics of the irradiation process. In this study, the depth-dose distributions in
Thi Nguyet Ha Nguyen   +9 more
doaj   +1 more source

PMMA – EGGSHELL COMPOSITE PREPARATION AND STUDYING MECHANICAL PROPERTIES AS A DENTAL MATERIAL

open access: yesJournal of Engineering and Sustainable Development, 2020
In recent years, many researchers used polymethyl methacrylate in dental applications due to good mechanical and physical properties. In this research, the eggshell powder had mixed with polymethyl methacrylate resin for the preparations of new ...
Reem Alaa Mohammed
doaj   +3 more sources

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