There are two sets of teeth in a person’s life, the milk teeth and the permanent teeth. There are 20 milk teeth, while there are 28-32 permanent teeth. Babies usually have their first teeth around 6 months of age, and there are some special manifestations before and after teething: 1. Swollen gums: If you find that your baby’s flesh is swollen and the swollen part is solid, this is a sign of teething. However, if the swollen area is red or dark red, it is not a normal phenomenon of teething and parents must take their baby to a pediatric dentist. 2. Emotional upset: Your baby will be a little irritable when teething. Parents should soothe him by spending more time playing with him and letting him concentrate on the game to relieve the discomfort. 3. Fever: Babies rarely have a fever due to teething, but in some cases they may have a low fever. If the baby has a high fever, parents must take the baby to the doctor. 4, itchy flesh: baby teething flesh itchy is a normal phenomenon, he will like to bite something, parents can wash the teething gel containing liquid in the refrigerator to freeze, and then give the baby bite, it can soothe his flesh discomfort. 5, often drooling: baby in this stage will be more than the usual drooling, pay attention to wipe the baby’s mouth and diligently change the drool shoulder pad. The average teething schedule of milk teeth: Milk incisors: 6~12 months Milk lateral incisors: 9~12 months Milk cuspids: 16~23 months First molar: 13~19 months Second molar: 23~33 months