Teeth are prone to cavities the best way is to do a good job of oral hygiene of the teeth and preventive work, it is generally recommended that at least 3 minutes a day after meals, the correct posture of brushing, can remove the oral memory of food debris as well as plaque, so that the teeth and periodontal to achieve the purpose of health. At the same time when brushing teeth can be appropriate to add toothpaste containing fluoride to brush teeth, fluoride is indeed a certain degree of caries resistance, but if for children must pay attention to fluoride toothpaste should not be taken down, to the application of children’s special toothpaste. In addition, it is recommended that every 0.5-1 years to professional stomatology for oral examination, and it is necessary to carry out scaling treatment, scaling can remove periodontal plaque and calculus, can also check whether there is new caries in the oral cavity.