People typically have 20 or more teeth by the age of 70, and older people do not necessarily lose teeth. As we age, many people lose their teeth for a variety of reasons, but the cause of tooth loss is not age, but a variety of related diseases. If you fail to take good care of your teeth in general, the number of teeth will diminish. Missing teeth will affect the chewing of food and the diet will be limited. So older people should protect their teeth well. If you want to protect your teeth, you can insist on brushing and rinsing with warm water, so as to reduce the symptoms of dental discomfort, which is conducive to the health of the teeth. Elderly people’s teeth are easy to loosen and fall off, if there are missing teeth, you should be equipped with dentures as soon as possible, but also to facilitate the chewing of food. Attention to regular dental checkups, dental problems should be timely medical treatment, dental health is very important.