How to do a good job of dental health, so that children have a mouthful of good teeth, the following provides a few ways for reference: 1, a healthy diet: it is best to change the use of a bottle before the age of one and a half years to drink milk to sleep, so as not to cause bottle tooth decay. Dietary choices to nutritional balance, avoid taking too many sweets, or easy to stick teeth, stay in the mouth for too long food. 2, the development of brushing habits and the correct way: how to clean the teeth of young children, rely on parents to pay more attention and attention. Parents can use gauze with a little water to help children wipe. After the age of two, parents should assist their children in brushing their teeth because their hand muscles have not yet developed. After the age of six, after the child brushes the teeth, parents should still help to check whether the brush is clean. 3, the use of fluoride: fluoride for the smooth surface of the teeth cavity prevention effect is excellent, including fluoride toothpaste, fluoride ingots, fluoride mouthwash and fluoride gel (physician professional fluoride), etc., should be used after consultation with a physician. 4. The use of furcation sealants: Many molar occlusal surfaces with small uneven cavities and deep fissures require furcation sealants to prevent tooth decay.