Baby teeth have always been a concern for parents. With healthy milk teeth, children can chew food better and promote digestion and nutrient absorption. However, many infants and toddlers are too young to pay attention to oral hygiene, resulting in tooth decay, and then slowly form caries, which can also cause serious oral infections. Many moms ask how to prevent tooth decay in infants and toddlers. Methods to prevent tooth decay in infants and young children: 1, from childhood to establish oral cleaning habits from infants should pay attention to oral cleaning at birth, the purpose is to remove the milk residue in the mouth, to avoid odor due to the fermentation of bacteria in the mouth, and can be used to massage the gums to soothe the discomfort of teething, the most important thing is to allow infants and young children to adapt to the feeling of putting a foreign body into the mouth, for the future of teething brushing to do the preparatory work, or wait for the infants and young children to grow bigger and bigger, the mobility increases. Otherwise, it will be more difficult to establish the habit of brushing teeth when babies and toddlers grow bigger and their mobility increases. 2.After each feeding and before going to bed at night, you should give your infant a cup of warm water to clean off the residual milk residue in the mouth. 3, you can consider using medication to supplement fluoride to prevent tooth decay. Fluorine is currently recognized by the dental community can effectively prevent tooth decay elements, teeth in the development of calcification process, if there is an appropriate amount of fluorine into the teeth can make the crystallization of more stable and reduce the flaws, so the ability to fight bacterial erosion is also better, and the teeth of the bite surface of the grooves of the small nests will be shallower and flatter, the teeth will be less prone to cavities. Because the fluoride content in our tap water and daily food is very low, we need to take extra fluoride supplements before the teeth are calcified and erupted to achieve the purpose of preventing cavities, and the period of time needs to last for more than 10 years in order to be helpful to every tooth that develops at different times. If parents decide to give fluoride to their infants, it is important to start at six months of age. It is important to note that fluoride, if given in excess, can have various disadvantages. It can cause dental fluorosis, which is a yellowish-brown spot on the surface of the teeth that is aesthetically displeasing, or it can cause fluorosis. Therefore, it is not advisable to take too much fluoride, if you forget whether you have taken it on that day, treat it as if you have already taken it and do not give it again. We would like to remind mothers that fluoride is not a panacea for preventing tooth decay, and it is fundamental to help babies and children establish oral hygiene habits as early as possible. 4. Exercise chewing ability. From 6-7 months onwards, children should be encouraged to learn how to eat hard and coarse foods, such as dried bread and steamed buns, in order to exercise the ability to chew, rub the gums, and promote the development of the dentine bone, which will help the eruption of milk teeth. 5.Visit the dentist. Let infants and toddlers get used to visiting the dentist from an early age, and then insist on visiting twice a year. This means that any problems or changes in your baby’s mouth will be quickly recognized and treated before they get worse. Familiarity with the dentist also means that babies and toddlers will not be afraid to visit the dentist when they are older. Here are some methods and steps for parents to follow: 1. Prepare a cup of warm boiled water, a few gauze wipes or 4 x 4 cm gauze or a few cotton swabs or cotton buds. 2. 2.Lay the baby or toddler flat on the bed in the bedroom, with the mother kneeling down in front of the baby or toddler, facing the baby or toddler. 3, the mother with both hands of the elbow support on the bed, and can be both hands of the forearms slightly blocking the infant’s swinging hands. 4. Hold the chin of the infant with the left wrist and palm of the mother’s hand, and use the index finger of the left hand to slightly pull apart the infant’s buccal mucosa to see the infant’s entire oral cavity clearly. 5. Wrap the right index finger with a gauze towel or gauze block and moisten it with lukewarm water, or hold a cotton swab or cotton swab in your right hand and dip it in lukewarm water. 6. Gently wipe the upper right to upper left and then upper left to upper right gums of the infant’s mouth in a sequential manner. 7. Gently wipe the buccal mucosa on both sides of the baby’s mouth. 8. Gently wipe the mucous membrane of the palate and the surface of the tongue. Be careful when cleaning the baby’s mouth: do not go too deep into the baby’s mouth to minimize vomiting and discomfort. If gauze or cotton swabs become soiled, replace them with new ones immediately to avoid bacterial infections.$ Mr. José María González, Minister Counsellor, Permanent Mission