Loss into water of residual monomer from autopolymerizing dental acrylic resin |
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| Authors: | D.J. Lamb Bryan Ellis David Priestley |
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| Affiliation: | Department of Restorative Dentistry, Charles Clifford Dental Hospital, Wellesley Road, Sheffield, UK;Department of Ceramics, Glasses and Polymers, University of Sheffield, Sheffield, UK |
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| Abstract: | A study has been made of the loss of residual monomer from samples of autopolymerizing acrylic resin immersed in water. Diffusion of monomer out of the resin into the water could account for only part of the loss. It was shown that free radicals continue to be present in the acrylic after completion of cure, and it is postulated that the residual monomer in an autopolymerized acrylic resin may be removed by further polymerization at these sites, as well as by diffusion out of the resin. The implications of this hypothesis are discussed. |
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| Keywords: | Dental materials autopolymerizing acrylic diffusion residual monomer |
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