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Buccal mucosa as a route for systemic drug delivery: a review.

Ali Asghar Shojaei

Abstract

Within the oral mucosal cavity, the buccal region offers an attractive route of administration for systemic drug delivery. The mucosa has a rich blood supply and it is relatively permeable. It is the objective of this article to review buccal drug delivery by discussing the structure and environment of the oral mucosa and the experimental methods used in assessing buccal drug permeation/absorption. Buccal dosage forms will also be reviewed with an emphasis on bioadhesive polymeric based delivery systems

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Key concepts: Bioadhesive, Buccal administration, Buccal mucosa, Drug delivery, Drug, Medicine, Oral cavity, Pharmacology