| http://www.w3.org/ns/prov#value | - Various means of chemically preventing or treating such lesions, as well as other problems such as discoloration and sensitivity are described by the inventors of the present invention in U.S. Pat. No. 7,118,376 and its co-pending U.S. Continuation In Part Application, Publication No. 2005-0175959, the contents of which, including publications referenced therein, is fully incorporated herein by re
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