The occurrence of tooth decay. Caused by 4 factors that are related, namely (plaque plaque) (starchy and sugary foods) (teeth) and time, with the bacteria normally present in the mouth reacting with plaque that attaches Left behind in the teeth And enamel Which we cannot completely eliminate Forming an acid, which can damage the tooth enamel. Can cause dental caries if the pH in the mouth is often lower than 5.5 and for a long time Therefore, each person will have a much lower tooth decay rate. Due to the different oral environments In early tooth decay, the patient may not have any symptoms. But if left for a long time, the tooth decay will spread and expand until the tooth sensitivity Therefore, patients should come to the dentist to check the teeth every 6 months to check the cavities. If there is an initial tooth decay that has no symptoms, the treatment will be easy, takes less time and doesn’t cost a lot.