There is no direct correlation between tooth loss and life expectancy, teeth can be prosthetically restored, and a person with good general health and adequate nutritional intake can still live a long life, so it is recommended to protect the health of the teeth and have regular checkups to improve the quality of life. After losing teeth, it may affect the rate of eating and the type of food, but you can have a denture to repair it, and you can chew normally with a denture, and you can also take in enough nutrients to meet your body’s needs. The life expectancy of a person is mainly related to the condition of the whole body. Those who have systemic diseases that are not treated in time will have a relatively shorter life expectancy, while those who are able to be treated in time and maintained on a regular basis will have a longer life expectancy. As for teeth, people with teeth can consume better quality of food, which is good for health and can improve the quality of life, and it is recommended to maintain oral health regularly.