Current Mucoadhesive Drug Delivery System for Recurrent Aphthous Stomatitis
Asian Journal of Dental Sciences,
Recurrent aphthous stomatitis (RAS) is the most common ulcerative disease of the oral mucosa, RAS is characterized by extremely painful, recurring solitary, multiple ulcers in the upper throat and oral cavity, which may lead to difficulty in eating, speaking and swallowing and negatively affects the life standard of the patient’s. In patients undergoing fixed orthodontic treatment, the frequency of RAU Increases .The underlying etiology of RAS is noted clear and no curative treatment is available. Current treatment for RAS is often in the form of mouthwashes, creams, or ointments, but these are often ineffective, due to inadequate drug contact times with the lesions and poorly available use of drug. To overcome these problems, it has been proposed to incorporate drugs to mucoadhesive polymers or nanoparticulate systems containing mucoadhesive polymer(s) because of their propensity to interact with the mucosal surface. Mucoadhesions increased the residence time of drug carriers at the site of absorption, improved drug absorption, and controlled drug release from the devices used. Smaller size of particles has been supposed to diffuse much higher in the mucus layer and improve the bioavailability of drugs. In the present review, we focus on the mocuadhesive drug delivery system in the treatment of RAS.
- Recurrent aphthous stomatitis
- oral mucosa
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