Teeth with small white spots may be shallow caries, enamel hypoplasia, dental fluorosis, etc., as follows. 1. shallow caries: caries is located in the enamel, with caries demineralization, caries white spots appear on the surface of the enamel. 2. Enamel hypoplasia: enamel mineralization can lead to enamel is chalky, its chalky boundary is clearer, line and enamel growth and development of the line parallel to the coincidence. 3. Dental fluorosis: excessive fluoride intake during the period of enamel development can lead to chalky plaque on the enamel of the teeth erupted in the same period. The plaque is cloudy and the border is not clear. Teeth with small white spots may have other reasons, it is recommended to go to the hospital in time, clear cause for targeted treatment.