Results 11 to 20 of about 20,447 (251)

Porous poly(methylmethacrylate) and poly(methylmethacrylate-co-acrylamide) [PDF]

Hemijska Industrija, 2006
The characteristics of two types of porous polymers: poly(methyl methacrylate) and copolymers of methyl methacrylate and acrylamide were investigated in this study.
Nikolić Ljubiša, Nikolić Vesna, Stanković Miroslav, Todorović Zoran, Vuković Zorica   +4 more
doaj   +4 more sources

A Novel Polishing Paste (Mollusk Shells) for Poly (Methylmethacrylate) [PDF]

International Journal of Dentistry, 2021
Objective. The aim of this study was to evaluate the effectiveness of a mollusk shells polishing paste (Donax obesulus) on the surface roughness of acrylic resin poly (methylmethacrylate) (PMMA). Methods. This study was an in vitro experimental design. A
Nicole Guerra, Evelin Meneses, Stefany Caballero-García, Frank Mayta-Tovalino   +3 more
doaj   +2 more sources

Thermal Initiation of Methylmethacrylate by Methoxy–oxobis [N-(4-bromophenyl) Salicylideneiminato] Vanadium (V) [PDF]

Engineering and Technology Journal, 2007
Methoxy – oxo - bis [N - (4-bromophenyl ) Salicylidene – iminato ] Vanadium (V) : [VO (Br C6 H4 N : C H O C6 H4 )2 OCH3  can initiate methylmethacrylate thermally at 80°C .
Najat Saleh
doaj   +2 more sources

Cytotoxicity of dental self-curing resin for a temporary crown: an study [PDF]

Journal of Yeungnam Medical Science, 2023
Background Residual monomer tests using high-performance liquid chromatography and cytotoxicity tests were performed to analyze the effect on the oral mucosa of a self-curing resin for provisional crown production.
Jae-wan Ko, Joon Sakong, Sohee Kang
doaj   +1 more source

Coordinative Ring-Opening Copolymerization of Limonene Carbamate and ε-Caprolactone Toward Phosgene- and Isocyanate-Free Polyesterurethane Block-Copolymers with Tunable Properties. [PDF]

Macromol Rapid Commun
This study presents a sustainable, isocyanate‐ and phosgene‐free route to polyesterurethanes via coordinative ring‐opening copolymerization of limonene carbamate and ε‐caprolactone. The resulting block copolymers show tunable thermal, optical, and mechanical properties, offering a green alternative for advanced polyurethane materials.
Futter J, Pfaadt H, Rieger B.
europepmc   +2 more sources

Forehead Augmentation with a Methyl Methacrylate Onlay Implant Using an Injection-Molding Technique [PDF]

Archives of Plastic Surgery, 2013
Background The forehead, which occupies about one third of the face, is one of the major determinants of a feminine or masculine look. Various methods have been used for the augmentation of the forehead using autologous fat grafts or alloplastic ...
Dong Kwon Park, Ingook Song, Jin Hyo Lee, Young June You   +3 more
doaj   +2 more sources

Improving the Mechanical Properties of Orthodontic Occlusal Splints Using Nanoparticles: Silver and Zinc Oxide

Biomedicines, 2023
The goal of the current study was to determine the mechanical proprieties of polymethylmethacrylate (PMMA) and the improved compound, the graphene-based PMMA, with Zn and Ag and to compare the results. Scanning electron microscopy analysis of the samples
Ioan Barbur, Horia Opris, Horatiu Alexandru Colosi, Mihaela Baciut, Daiana Opris, Stanca Cuc, Ioan Petean, Marioara Moldovan, Cristian Mihail Dinu, Grigore Baciut   +9 more
doaj   +1 more source

Development and Validation of Case-Finding Algorithms to Identify Periprosthetic Joint Infections After Total Hip Arthroplasty in Veterans Health Administration Data. [PDF]

Pharmacoepidemiol Drug Saf
ABSTRACT Purpose To determine the positive predictive values (PPVs) of ICD‐9‐ and ICD‐10‐based diagnostic coding algorithms to identify periprosthetic joint infection (PJI) following total hip arthroplasty (THA) within the United States (US) Veterans Health Administration (VHA). Methods We selected patients with: (1) any position hospital discharge ICD‐
O'Neil JC, Pei Y, Newcomb C, Silibovsky R, O'Donnell JA, Nelson CL, Hsieh E, King J, Crystal S, Hanberg JS, Lo Re V, Weinstein EJ.   +11 more
europepmc   +2 more sources

Occupational contact allergic dermatitis in dentistry [PDF]

Vojnosanitetski Pregled, 2011
Introduction. Dental professionals may be at increased risk of developing occupational allergic diseases specially to methacrylates that can permeate protective disposable gloves. Case report.
Mikov Ivan, Turkalj Ivan, Jovanović Marina   +2 more
doaj   +1 more source

In vitro analysis of monomer leaching in modern dental materials: CAD milled, printed, traditional heat-processed, and auto-polymerizing denture base resins. [PDF]

J Prosthodont
Abstract Purpose Denture fabrication has shifted from traditional heat‐processed and auto‐polymerizing materials to computer‐aided design and computer‐aided manufacturing (CAD‐CAM) milled and printed materials. The monomer in traditional materials can induce an allergic reaction in some patients.
Smidt G, Gao S, Iyer D, Srivastava S, Shah KC.   +4 more
europepmc   +2 more sources