If you are not sure how your nutrition (diet) affects your oral health, always ask your dentist. Diseases such as tooth loss, pain, or joint dysfunction can affect masticatory effects, commonly seen in the elderly, restrictive diets, and those undergoing treatment. People who experience these problems may be too isolated or weakened to eat well-balanced meals in particularly critical situations. Discuss with your dental health professional what you can do for yourself or someone you know in this situation.