From the growth of baby first tooth, the chance of tooth decay will also increase. When feeding baby every time, either drink milk or fruit juice and other sweetened beverages, sugar will stay in the oral cavity, dental plaque bacteria will use these sugar to produce acid, which result in enamel mineral loss. If not properly brush those teeth, these sugar can lead to teeth cavity and decay. Earlier Hong Kong Academy of Medicine thematic studies find seven surveyed about 700 kindergarten children aged 4-6, their oral health status, and parental knowledge about dentistry.

The results showed that 60% of children is under World Health Organization standard, they are diagnosed with tooth decay, their teeth have been significantly shown cavity, in need of fillings, at the same time parents may change new teeth very soon, over 90% of the children have no proper teeth treatment. In terms of age, 4-6 year old children tooth decay rates were 50%, 60% and 80%. Some experts worry that these result are not good signs, many parents are simply ignoring their children's dental health, there have been cases of 3-year-old children's teeth cavity even fall off, if tooth decay is not addressed early, the bacteria can be infected by the primary teeth of the root does not grow within alveolar permanent teeth, affecting the health of future permanent teeth. Severe cases can cause fever, and even bacteria into the blood stream.

Tips for prevention and care for baby teeth;

1. To avoid tooth decay in children, first of all do not develop the habit of drinking milk before bed and drink too much high in sugar beverages. After drinking milk or sweet beverages, drink clear water or brush teeth.

2. Recommended reducing the use of baby bottles after 1 year of age, use cup for drinking milk, this could help reduce the time milk stays in the mouth.

3. Feeding should not be too frequent, since saliva needs at least 45 minutes to neutralize the acidity of the mouth, if the feeding time period is too short between each meal, saliva have no sufficient time to neutralize the acid in the mouth which could lead to tooth decay.

4. Brushing should be sooner or later, and to be patient to teach children the correct method of brushing.

5. Regular dental check (once every 6-12 months).