Results 201 to 210 of about 18,433 (253)

Self-Oscillating Helix Showing Amplified Winding and Unwinding Motions. [PDF]

open access: yesAdv Mater
Chung T   +11 more
europepmc   +1 more source

Polymerization shrinkage and polymerization shrinkage stress in polymer-based restoratives

Journal of Dentistry, 1997
This paper is intended to contribute to the recognition and understanding of problems related to polymerization shrinkage.Scientific publications of relevance with regard to this subject were critically reviewed.The dimensional changes which develop during the curing of resin composites and glass polyalkenoate cements are studied, with special ...
C L Davidson, A J Feilzer
exaly   +3 more sources

Polymerization shrinkage of methacrylate esters

Biomaterials, 1987
The polymerization shrinkage of a range of poly(n-alkyl methacrylates) in the range C1 to C16, some of their isomers and the polymers of cyclic and heterocyclic methacrylates have been measured using densitometry. The percentage volume shrinkage decreases with the size of the substituent side group.
M P Patel, K W M Davy
exaly   +3 more sources

Polymerization shrinkage strain of interocclusal recording materials

Dental Materials, 2009
The aim of this in vitro study was to investigate the polymerization shrinkage behavior and to measure the polymerization shrinkage-strain of interocclusal recording materials.The materials investigated in this study were five polyvinylsiloxane (Imprint Bite, Silagum Automix Bite, O-Bite, Blu-Mousse Classic and Exabite II), one polyether (Ramitec) and ...
Ahran Pae, Seong-Kyun Kim
exaly   +3 more sources

Polymerization stress, shrinkage and elastic modulus of current low-shrinkage restorative composites

Dental Materials, 2010
To compare currently available low-shrinkage composites with others regarding polymerization stress, volumetric shrinkage (total and post-gel), shrinkage rate and elastic modulus.Seven BisGMA-based composites (Durafill/DU, Filtek Z250/FZ, Heliomolar/HM, Aelite LS Posterior/AP, Point 4/P4, Filtek Supreme/SU, ELS/EL), a silorane-based (Filtek LS, LS), a ...
Leticia Cristina Cidreira Boaro   +2 more
exaly   +3 more sources

The polymerization shrinkage of composite resins

Dental Materials, 1989
The majority of methods used for the determination of volumetric polymerization shrinkage rely on mercury as the immersion medium. With current concern for industrial hygiene, the water-filled dilatometer may have advantages. The purpose of this study was to adapt this method for external-energy-cured materials.
J S, Rees, P H, Jacobsen
openaire   +2 more sources

Comparison of polymerization shrinkage of pattern resins

The Journal of Prosthetic Dentistry, 2014
The dimensional stability, in particular polymerization shrinkage, of pattern resins affects the accuracy of implant prosthesis fabrication. Recently introduced photopolymerizing pattern resins are easy to use, but their shrinkage needs to be determined and compared with traditional autopolymerizing pattern resins.The purpose of the study was to ...
Sarah B, Gibbs   +3 more
openaire   +2 more sources

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