Final answer:
Poor dentition is a major cause of malnutrition in the elderly.
Step-by-step explanation:
Poor dentition is a major cause of malnutrition in the elderly. Good oral health is essential for proper chewing and digestion of food. When teeth are missing or in poor condition, it can lead to difficulty eating and avoiding certain foods. This can result in malnutrition, which can worsen other health conditions and contribute to mortality.