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Lookup NU author(s): Dr Koichi Fujii, Professor John McCabe
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The purpose of this study was to evaluate the surface roughness and resistance to toothbrush abrasion of three experimental paint-on composite resins developed for the shade modification of crown and bridge resins. The paint-on resins had less filler volume fraction than restorative composites or the crown and bridge resins and consequently were of low viscosity. The maximum surface roughness (Rmax) and the maximum depth loss by abrasion for the paint-on resins following 40,000 cycles of brushing ranged from 2.45 to 4.07 μm and 8.63 to 13.67 μm, respectively. Rmax values were 37.7-67.5% lower than that for the crown and bridge resin subjected to the same test. Wear depth was 19.9-49.4% lower than for the crown and bridge resin. These results suggest that the paint-on resins are expected to have adequate resistance to toothbrush abrasion and may therefore be suitable for clinical use.
Author(s): Fujii K, Ban S, McCabe JF
Publication type: Article
Publication status: Published
Journal: Dental Materials Journal
Year: 2003
Volume: 22
Issue: 3
Pages: 244-250
Print publication date: 01/09/2003
ISSN (print): 0287-4547
ISSN (electronic): 1881-1361
Publisher: Nihon Shika Riko Gakkai
PubMed id: 14620991
