Minor caries can be treated as follows: First, in the teeth of the lip, tongue and other smooth parts of the occurrence of mild caries, you can use a smooth carving needle to trim the edges to improve the defective environment, and then apply 10% silver nitrate solution to form a black precipitate, to stop the development of caries holes, but also can be coated with fluorine-containing medications such as sodium fluoride, prompting remineralization of enamel and enhance the caries resistance of the teeth; second, grinding teeth jaw fossa point gap and so on the formation of shallow caries holes, you can grind off the discoloration of the tooth body tissues, the use of flowable resin to fill the holes; third, pay attention to strengthen oral hygiene and cleanliness, and the use of fluoride toothpaste to brush the teeth.