The common solution for a cavity in a tooth is to have a filling. Patients should seek medical treatment as soon as possible after finding a cavity in the tooth, so as not to delay the treatment and cause the cavity to deepen and damage the pulp, once the pulp is damaged, it can lead to severe pain and pulpitis, which is more painful for the patient, more complicated to treat and more expensive. The doctor will take relevant treatment measures according to the condition of the cavity. If the cavity is superficial or confined and has not invaded the nerve, decay and filling is usually sufficient, which is what people call filling. If the cavity is deeper and the symptoms such as toothache have appeared, it is necessary to clarify the degree of damage and decide whether to carry out root canal treatment and then repair the tooth. If the tooth decay has led to nerve leakage, root canal treatment, which is often called “nerve killing”, may be needed before tooth restoration can be carried out to ensure the health of the tooth. In addition to timely filling, patients also need to pay attention to oral cleaning and health, pathogenic bacteria are easy to parasitize on the surface of teeth in the mouth, especially the frequent intake of high sugar diet is more likely to breed bacteria, so try not to eat a lot of sugar or drink sugary drinks, develop good oral cleaning habits, brush teeth in the morning and evening, do not eat after brushing teeth before going to bed, it is also recommended to brush teeth or rinse mouth after meals, you can learn the Bachmann Brush your teeth and master the correct method of brushing.