There are many reasons for the appearance of small white spots on teeth, which include dental fluorosis, enamel hypoplasia, and dental caries. Its treatment methods are mainly medication, surgery, remineralization treatment and so on. 1. Dental fluorosis: it can be treated by teeth whitening, teeth bleaching, minimally invasive surgery for resin filling, porcelain veneers, dental implants and other methods. 2. Enamel hypoplasia: for those with obvious abnormalities in the shape of the crown, treatment methods such as veneers or crown restoration can be carried out. 3. Dental caries: small white spots can easily appear on teeth with shallow caries. Commonly used fluoride for treatment, such as tin fluoride solution, sodium fluoride glycerin paste. If necessary, remineralization treatment and prophylactic resin filling can be taken. In addition, excessive calcification of teeth, enamel demineralization and other causes can also cause the above symptoms. It is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment. The above medications should be applied under the guidance of a doctor, avoiding self-medication to avoid adverse reactions.