From the baby’s first milk teeth eruption until about 12 years old eruption of the second permanent molar, this whole stage need fluoride to reduce the risk of dental caries, 3 to 6 years old for milk teeth fluoride, 6 to 12 years old replacement period according to the risk of caries selective fluoride, 12 years old and above the doctor will be according to the situation of individualized treatment.
1.3 to 6 years old: baby, around 3 years old baby milk teeth have basically completed eruption, to 6 years old to start replacing permanent teeth, so 3 to 6 years old this stage of milk teeth are most likely to be caries, it is generally recommended that every six months coated, need to be in the operation of a professional dentist, to avoid fluoride overdose.
2.6 to 12 years old: this stage belongs to the period of tooth replacement, teeth and teeth are easy to food congestion, increasing the risk of dental caries. It is generally recommended to use fluoride toothpaste and brush teeth in the morning and evening. Fluoride is also needed if the child has a higher risk of caries.
3.12 years old and above: this stage of tooth replacement has been completed, usually pay attention to oral hygiene, brushing and flossing, to meet the daily care and prevention of caries purposes, generally do not need to apply fluoride, but if the doctor believes that the risk of dental caries is relatively high, or need to apply fluoride according to the doctor’s personalized treatment.
Fluoride can strengthen tooth enamel, inhibit bacterial adhesion and acid production, and also promote enamel mineralization, which has the effect of preventing dental caries, so fluoride can be applied at every stage, but it needs to be based on the doctor’s assessment.