Results 21 to 30 of about 56,113 (311)

Viscoelastically prestressed polymeric matrix composites: An overview [PDF]

open access: yes, 2016
Elastically prestressed polymeric matrix composites exploit the principles of prestressed concrete, i.e. fibres are stretched elastically during matrix curing.
Fancey, Kevin S.
core   +2 more sources

The influence of quaternary ammonium salts on mechanical properties of light-cured resin dental composites

open access: yesPolimery, 2023
The composite consisting of bis-GMA/UDMA/HEMA/TEGDMA monomer mixture forming apolymer matrix filled with silanized silica (45 wt%) was modified with CTAB or DODAB quaternary ammonium salts (0.5‒2.0 wt%).
Maja Zalega, Joanna Nowak, Kinga Bociong
doaj   +1 more source

Immediate versus water-storage performance of Class V flowable composite restoratives [PDF]

open access: yes, 2006
Objectives The aims of this investigation were to clarify the effects of 24 h water-storage and finishing time on mechanical properties and marginal adaptation to a Class V cavity of eight modern flowable resin-composites.
Hatanaka, Kenji   +3 more
core   +1 more source

Fabrication of Novel Pre-Polymerized BisGMA/Silica Nanocomposites: Physio-Mechanical Considerations

open access: yesJournal of Functional Biomaterials, 2023
Resin composite mimics tooth tissues both in structure and properties, and thus, they can withstand high biting force and the harsh environmental conditions of the mouth.
Ali Alrahlah   +7 more
doaj   +1 more source

Effect of Different Thicknesses of Pressable Ceramic Veneers on Polymerization of Light-cured and Dual-cured Resin Cements [PDF]

open access: yes, 2015
Aim: This study evaluated the effects of ceramic veneer thicknesses on the polymerization of two different resin cements. Materials and methods: A total of 80 ceramic veneer disks were fabricated by using a pressable ceramic material (e.max Press ...
Ahn, Kwang Woo   +4 more
core   +2 more sources

Bactericidal and Bioactive Dental Composites [PDF]

open access: yesFrontiers in Physiology, 2018
Aim: Antimicrobial and bioactive restorative materials are needed to develop a bacteria free environment and tight bond with the surrounding tissue, preventing the spread of secondary caries and thus extending the lifetime of dental restorations. The characteristic properties of new dental bioactive and antibacterial composites are presented in this ...
Xanthippi Chatzistavrou   +10 more
openaire   +3 more sources

Immediate performance of self-etching versus system adhesives with multiple light-activated restoratives [PDF]

open access: yes, 2004
Objectives: The purpose of this study was to evaluate the performance of both single and double applications of (Adper Prompt L-Pop) self-etching dental adhesive, when used with three classes of light-activated restorative materials, in comparison to the
Asmussen   +24 more
core   +1 more source

New Resins for Dental Composites [PDF]

open access: yesJournal of Dental Research, 2017
Restorative composites have evolved significantly since they were first introduced in the early 1960s, with most of the development concentrating on the filler technology. This has led to improved mechanical properties, notably wear resistance, and has expanded the use of composites to larger posterior restorations.
A P P, Fugolin, C S, Pfeifer
openaire   +2 more sources

Effect of the photoinitiator system on the properties of a dental material based on a hybrid polymer

open access: yesBrazilian Dental Science, 2016
Objective: In this study, the effects of two different cure protocols upon the properties of composites using a hybrid-polymer as dental resin were evaluated.
Sandro Aurélio de Souza Venter   +5 more
doaj   +1 more source

Dimensional stability of short fibre reinforced flowable dental composites

open access: yesScientific Reports, 2021
Fibre-reinforced dental composites are proven to have superior mechanical properties in comparison with micro/nano/hybrid filled composites. However, the addition of small quantities of short glass fibres could affect the dimensional stability of the ...
Raju Raju   +3 more
doaj   +1 more source

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