What would happen if I lost a tooth

The health of teeth has always been a concern for everyone. Many people lose a tooth due to damage. If a tooth is lost, it depends on whether the root is still there. If the root is still there, a filling is needed. Filling can allow the tooth to grow again and prevent many complications. At the same time, after the filling, you may feel a little uncomfortable for a short time, but it can allow the patient's teeth to regenerate.

Tooth structure

Teeth are the hardest organs in the human body and are divided into three parts: the crown, the neck and the root. It is divided into enamel, dentin, pulp (nerve gland), etc.

Dental care

If you want to have a set of healthy teeth, you must pay attention to dental care and eat more calcium-rich foods. Especially in infancy and childhood, we should pay attention to dietary choices. Parents should let their children eat more vegetables that can promote chewing, such as celery, cabbage, spinach, leek, kelp, etc., which is beneficial to promote the development of the mandible and the alignment of teeth. Eating vegetables regularly can also increase the molybdenum content in teeth, enhancing the hardness and firmness of teeth. Experiments have shown that children who are averse to eating vegetables and meat have lower bone density than those who are

Young children who eat vegetables and meat products have low. Eating vegetables regularly can also prevent tooth decay because vegetables contain 90% water and some fiber. When chewing vegetables, the moisture in the vegetables can dilute the sugar in the mouth, making it difficult for bacteria to grow; the cellulose can sweep and clean the teeth. In addition, eating more harder foods is good for the health of teeth, such as corn, sorghum, beef, dog meat and some nuts, such as acorns, melon seeds, walnuts, hazelnuts, etc.

Evolutionary history

The evolution of teeth

There is evidence that the teeth of humans and other higher vertebrates originated from the shield scales of ancient fish ancestors, which can be confirmed in existing sharks. In fact, shark teeth are specialized shield scales. Shield scales and teeth are homologous organs with the same structure: they both have enamel and dentin, and a pulp cavity inside. There are also nerves and blood vessels entering the medullary cavity.

The important watershed between mammals and their reptilian ancestors is not viviparity or lactation, but the differentiation of teeth and the appearance of dicotyledons. The so-called dicotyledons mean that an animal has only two sets of teeth in its lifetime, which we usually call deciduous teeth and permanent teeth. Reptiles and other animals can continuously replace their teeth throughout their lives. The teeth of mammals are differentiated into incisors, canines, premolars, and molars.

Due to the differentiation of teeth, the chewing surfaces of the upper and lower teeth must be perfectly closed together when chewing. If animals continue to replace their teeth throughout their lives, this closure may be broken, affecting the chewing function.