Buccal Drug Delivery Systems

Abstract

Buccal administration offers certain unique advantages for the drugs which cannot be easily or efficiently administered by oral or intravenous route. However, transbucccal delivery receiived relatively little attention and few well-controlled studies of buccal mucosa permeability have been conducted. The oral mucosa provides a protective covering for the underlying tissue, being as a barrier for microorganisms and toxins. This article extensively reviews the histology of buccal mucosa, permeation studies (both invitro and in vivo) of buccal drug delivery system, their development and various types of techniques and devices available for the delivery of drugs through buccal mucosa.