Epidemiological data reveal that one of the most common diseases in the world is dental disease. Scientific knowledge is available to prevent the vast majority of dental disease. Thus, individuals are not taking the necessary action to prevent caries and periodontal disease. Dental professionals try to facilitate primary prevention of disease through education and the correction of skill deficits with patients. Still billions of dollars are spent each year in the treatment of these diseases. This presents a major health and economic liability and demonstrates a clear need to implement additional behavioral management techniques in the field of dentistry. This study implements two behavioral management strategies, self-monitoring and monetary incentives, in a free dental clinic to explore the effects of these treatments on subject"s dental flossing rate. / M.S.