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Title: Effect of initiator concentration, exposure time and particle size of the filler upon the mechanical properties of a light-curing radiopaque dental composite
Authors: Krishnan, VK
Yamuna, V
Keywords: Dentistry, Oral Surgery & Medicine
Issue Date: 1998
Citation: 25 ,10;747-751
Abstract: Concentration of camphorquinone initiator, exposure time of the light source and particle size of a radiopaque glass filler have been varied for an indigenously developed light-curing dental composite and the changes in the microhardness, compressive strength and diametral tensile strength studied. Higher initiator concentration and exposure times are found to improve the microhardness values while a concentration above 0.25% does not signify any drastic improvement in compressive and diametral strength. Changes in properties are found to be statistically significant at low initiator concentrations. A filler particle size around 1 mu m is found to give better properties compared with larger sizes.
URI: 10.1046/j.1365-2842.1998.00308.x
Appears in Collections:Journal Articles

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