root cavities are not easy to repair. They appear on the side of the root. The area and depth of the cavities are large and shallow, and the repair materials are difficult to adhere firmly.
When pain occurs, the cavity layer of root cavities in adults has already damaged the dentin or even the deep pulp, resulting in pulpitis and serious tooth loss
finally, use a health toothbrush, use the correct way of brushing teeth, and truly achieve “no cavities”.