Explain how anorexia nervosa and bulimia nervosa differ

What will be an ideal response?

Anorexia nervosa is an eating disorder characterized by an abnormal fear of being fat and associated body image distortions in which a person gradually starves himself and drastically changes his eating habits by decreasing the amount of food he consumes on a daily basis. Bulimia nervosa, also an eating disorder, involves the binging of excessive amounts of food followed by purging of the same food. Individuals with anorexia nervosa are often extremely thin, while those with bulimia nervosa may be normal or slightly overweight. Physical signs of anorexia nervosa that may be observed by the dental professional are muscle wasting, dry skin and brittle hair. However, signs of bulimia nervosa often appear in the oral cavity, such as tooth enamel demineralization and sensitivity, gingival recession, dental caries, orthodontic complications, angular cheilosis, xerostomia, decreased salivary flow, tooth erosion.