It could conclude from abovementioned studies that tooth loss leads to reduced fruit and vegetable intake. Therefore, because tooth loss can definitely be a major factor in changes in nourishment, several studies have hypothesized that tooth loss is also connected to the nutritional disorders of obesity and lean body weight. Marcenes et al. [31], who examined the relationship between body mass index (BMI) and tooth loss by using the same subjects from the British NDNS survey [3] clarified that subjects with 20 teeth or more maintained an appropriate BMI (20–25). Further, the number of teeth is not directly related to BMI, but that both obesity and undernutrition tend to increase due to tooth loss [32]. In the Health, Aging, and Body Composition Study, Lee et al.