Bulimia nervosa is a psychological compulsive eating disorder that appears to be affecting a growing number of young women. It is characterized by repeated episodes of binge eating followed by vomiting or some other purging behavior. Bulimia is accompanied by a number of physiological disturbances, some of which occur in the oral cavity. The present article reviews the major characteristics of bulimia nervosa, and describes the most significant oral manifestations of this disorder along with their reported incidences and etiologies.