Results 41 to 50 of about 91,863 (168)
Effect of ageing and immersion in different beverages on properties of denture lining materials
Journal of Applied Oral Science, 2010 OBJECTIVES: To evaluate the color stability and hardness of two denture liners obtained by direct and indirect techniques, after thermal cycling and immersion in beverages that can cause staining of teeth.
Vanessa M. F. Leite +4 more
doaj +1 more source
, 2010 The purpose of this study was to evaluate the Knoop hardness and the depth of cure of Ormocer based composites and to compare them with traditional Bis-GMA or derivatives based composites.
R. Caroline +5 more
semanticscholar +1 more source
Temperature rise and Knoop hardness promoted by different light-curing units
, 2010 This study characterized the light emitted by a quartz-tungsten-halogen (QTH) and three light-emitting diode (LED) light curing units (LCUs) and investigated the temperature rise and composite hardness promoted by these sources.
L. F. Schneider +4 more
semanticscholar +1 more source
Brazilian Dental Journal, 2008 This study evaluated the bond strength and Knoop hardness of Z250 composite resin, light activated with XL2500 curing unit, using different protocols: continuous mode - high intensity (CH) (700 mW/cm(2)) for 20 s; continuous mode - low intensity (CL ...
Eduardo Dalli'Magro +6 more
semanticscholar +1 more source
Brazilian Dental Journal, 2004 The aim of this study was to evaluate the depth of cure and Knoop hardness in the P60 composite resin photo-activated using different methods. A bipartite brass matrix (3 mm in diameter X 11 mm in height) was filled with the composite and photo ...
Andresa Carla Obici +4 more
semanticscholar +1 more source
Surface Hardness of Resin Cement Polymerized under Different Ceramic Materials
International Journal of Dentistry, 2012 Objectives. To evaluate the surface hardness of two light-cured resin cements polymerized under different ceramic discs. Methods. 40 experimental groups of 2 light-cured resin cement specimens (Variolink Veneer and NX3) were prepared and polymerized ...
Pimmada Kesrak, Chalermpol Leevailoj
doaj +1 more source
Antibiotics, 2023 To assess the effect of hygiene protocols and time on the physical–mechanical properties and colony-forming units (CFU) of Candida albicans, Staphylococcus aureus, and Streptococcus mutans on 3D-printed denture resins (SmartPrint and Yller) with ...
Adriana Barbosa Ribeiro +6 more
doaj +1 more source
Effect of light-curing methods on resin cement Knoop hardness at different depths.
Brazilian Dental Journal, 2007 This study evaluated, using Knoop hardness test, the polymerization depth of Rely-X dual-cured resin cement activated by chemical reaction alone (control group) or by chemical/physical mode with light curing through a 1.5-mm-thick ceramic layer ...
M. Sinhoreti +5 more
semanticscholar +1 more source
Brazilian Dental Journal, 2007 This study evaluated the bond strength (push-out method) and Knoop hardness of Z250 composite resin, photoactivated with XL 2500 curing unit, using different protocols: continuous mode (700 mW/cm(2) for 20s) (CO); soft-start (50 mW/cm(2) for 5 s ...
E. Dall’Magro +5 more
semanticscholar +1 more source
The evaluation of the surface micro-hardness values in different depth of resin blocks
Cumhuriyet Dental Journal, 2018 Objective: Computer-aided design and manufacturing technology has shown great improvement in dentistry since the 1980s. This technology is based on a one-stage restoration using prefabricated blocks.
Hamdi Oğuz Yoldaş +1 more
doaj +1 more source