Sustained-release matrices for dental application
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United States of America Patent
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Aug 23, 1994
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app pub date -
Jun 15, 1992
filing date -
Aug 23, 1991
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Abstract
A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.
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