A method is described for delivering a beneficial agent, such as an antiinflammatory agent, to the site of a painful condition in the oral cavity of a human being that utilizes an oral dosage form having an immediately releasable topical anesthetic and a sustained release beneficial...http://www.google.com.au/patents/US5713852?utm_source=gb-gplus-sharePatent US5713852 - Oral dosage and method for treating painful conditions of the oral cavity
