Gelled Periodontal Anesthetic Preparation
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United States of America Patent
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Issued Date -
Oct 4, 2007
app pub date -
Sep 22, 2006
filing date -
Jan 28, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A composition for anesthetizing oral or buccal tissues, especially periodontal pockets, is provided. The composition has a high concentration of topical anesthetic carried in a non-aqueous liquid vehicle containing a gelling agent. The anesthetics are optionally stabilized in the solution by ion-exchange complexation. The composition can anesthetize the gingivae for an extended period, such as 30 minutes or longer. Preferred anesthetics include tetracaine, benzocaine, butamben, and mixtures of these.
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