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Hardness of a bleaching-shade resin composite polymerized with different light-curing sources
Composite resins Dental materials Hardness
2009/10/19
The microhardness of a bleaching-shade resin composite polymerized with different light-curing units was evaluated. Composite samples (3M ESPE Filtek Supreme) were applied to brass rings (2 mm in thic...
An investigation into the effects of polishing on surface hardness and corrosion of orthodontic archwires
Orthodontic alloys Polishing Corrosion
2009/1/7
The purpose of this study was to investigate the effect of surface roughness on the relative corrosion rates of wires of four alloys—stainless steel, nickel titanium, cobalt chromium, and beta tit...
Accelerated Aging Effects on Surface Hardness and Roughness of Lingual Retainer Adhesives
Orthodontic adhesives Orthodontic retainer Aging Surface hardness Surface roughness
2008/10/29
Objective: To test the null hypothesis that accelerated aging has no effect on the surface microhardness and roughness of two light-cured lingual retainer adhesives.Materials and Methods: Ten samples ...