Tooth cavity also called tooth decay is caused by many factors like not brushing teeth well, bacteria in the mouth, frequent snacking, drinking sugar etc.
It is a very common problem who has teeth including infants.
Below are some preventions of tooth decay-
1. Brush your teeth twice a day
It is important to brush teeth at night otherwise bacteria may remain in our teeth the whole night
2. Brush your teeth for at least 2 minutes.
3. Visit your dentist regularly
If you feel that your cavity is increasing, then visit your dentist
4. Always rinse your mouth with water after eating
After eating, food got stuck in our mouth. So, it is important to clean mouth with water to take out the stuck food.