NUTRITION AND ORAL / DENTAL HEALTH photo credit: web Diet and nutrition play key roles in tooth development, integrity of the gingiva (gums) and mucosa, bone strength, and the prevention and management of diseases of the oral cavity. Diet has a local effect on tooth integrity; that is, the type, form, and frequency of foods and beverages consumed have a direct effect on the oral pH and micro bial activity, which may promote dental decay. By con trast, nutrition has a systemic effect. The impact of nutrient intake systemically affects the development, maintenance, and repair of the teeth and oral tissues. De ficiencies of several vitamins (riboflavin, folate, B12, and C) and minerals (iron and zinc) may be first detected in the mouth because of the rapid tissue turnover rate of the oral mucosa. Nutrition and diet affect the oral cavity, but the reverse also is true; that is, the status of the oral cavity may affect one's a...