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Diffusion of Water in Composite Filling Materials
M. Braden
Dental School of the London Hospital Medical College, University of London, London E1 2AD, England
E.E. Causton
Dental School of the London Hospital Medical College, University of London, London E1 2AD, England
R.L. Clarke
Dental School of the London Hospital Medical College, University of London, London E1 2AD, England
The absorption and desorption of water by seven composite materials are diffusion processes, with the diffusion coefficient decreasing with concentration. The magnitude of the diffusion coefficients were consistent with diffusion occurring in the resin phase. Although most materials showed reversible behavior during repeated sorption-desorption cycles, one material showed irreversible breakdown.
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Journal of Dental Research, Vol. 55, No. 5,
730-732 (1976)
DOI: 10.1177/00220345760550050501
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