99REVIEW ON LOZENGES FOR ORAL BACTERIAL INFECTIONOral cavity can be used for local drug delivery as in for periodontitis, dental caries or for oral mucosal drug delivery. This article gives an overview of basic structure, function, biochemistry, and permeability of the oral cavity. Oral drug delivery is the most preferred and convenient option as the oral route provides maximum active surface area among all drug delivery system for administration of various drugs. The oral route of drug administration has been the one used most for both conventional as well as novel drug delivery. The development cost of a new chemical entity is very high the pharmaceutical companies are now focusing on the development of new drug delivery systems for existing drug with an improved efficacy and bioavailability together with reduced dosing frequency to minimize side effects. There are many drugs dosage forms like lozenges, tablets, mouthwash and topical gel are in markets for the treatment of oral infection. Lozenges are one of the very popular and better innovative dosage form and oral confectionary products. It is a potentially useful means of administering drugs either locally or systematically via, the oral cavitydrx.surbhichoursiya@gmail.comReview712017Gingivitis,Acute necrotizing ulcerative gingivitis,Pharyngitis,Syphilis,GonorrheaSurbhi ChoursiyaSri Aurobindo Institute of Pharmacy, Indore (M.P.), India.