Most babies’ first milk teeth come in between 4 and 6 months of age, usually starting with the incisors in the middle of the lower dental bed. Some babies start teething from 3 months onwards and some babies don’t start teething until they are a year old. So from when onwards, should you brush your baby’s teeth? We can artificially divide it into three stages: Stage 1: eruption of the first tooth ~ 1 year. It’s time to brush your baby’s teeth from the time he gets his first milk teeth. Usually at the end of a week old baby erupts 6~8 milk teeth. Instead of a toothbrush, a mother can use a sterilized cotton swab or clean gauze wrapped around her finger to brush her baby’s teeth. Brushing should be done twice a day, morning and evening. Stage 2: 1 year to 2 ½ years old. Usually by 2 ½ years old, all 20 of the baby’s milk teeth have erupted. At this stage, the mom can still start to clean the baby’s teeth with clean gauze. As the number of teeth increases, gauze is not convenient to clean the back of the molars, and the mother can use a finger toothbrush or a small toothbrush with a smaller head and softer bristles to brush the baby’s teeth. Brushing should be done twice a day, morning and evening. Stage 3: After 2 ½ years old. At this stage, your baby’s teeth are coming in. At this time, babies like to imitate adults and are usually willing to try brushing their own teeth. You can let your baby brush his or her teeth in front of a mirror while mom guides him or her from the side. Good habit formation and proper tooth brushing should be cultivated and established from an early age. If the mother feels that the baby is not cleaning properly, after the baby finishes brushing, the mother can help the baby to re-brush the areas that were not brushed to ensure that the baby’s teeth are clean. Brushing should be done twice a day, morning and evening. Teach your baby to brush his or her own teeth. At first, you can let your baby use a toothbrush and a cup, imitating the actions of an adult, so that your baby will be interested in brushing his or her teeth. After a few weeks, let your baby gradually master the action of turning the brush up and down and brushing with water. Finally, squeeze the toothpaste and use the toothbrush to brush from the outside to the inside in a sequential manner. It is best to use a toothbrush with a small, rounded head and soft bristles so that it does not damage the gums. toothpaste is not recommended for babies before the age of 3. After the age of 3, when babies are able to control themselves and the toothpaste is not to be swallowed, toothpaste can be used. Try to use toothpaste of the baby’s favorite flavor, cartoon cute toothbrush. When brushing teeth, you can put a timing hourglass (specially designed for brushing teeth, timing 3 minutes) next to your baby to make him/her happy. Method of brushing teeth. The general use of vertical brush method: the head of the toothbrush parallel to the tooth surface, and with the tooth surface into a 45-degree angle, and then along the long axis of the tooth brush; brush the upper teeth from the top to the bottom of the brush, brush the lower teeth from the bottom to the top of the brush, brush the back and forth back and forth when the chewing surface of the back teeth; inside and outside of the brush to, each 3 minutes. Brushing must pay attention to effective brushing, thoroughly clean each tooth surface, in order to achieve the effect of preventing “insect teeth”.