1. In general, babies start to erupt their milk teeth at 4~10 months, but there are individual differences, and milk teeth start to erupt a little earlier at 3 months, but it is still normal.
2. Milk teeth are ossified before birth, hidden in the jawbone and covered by the gums, and begin to erupt 4~10 months after birth. However, the time and order of eruption of milk teeth varies greatly among individuals, and is related to heredity, food traits, and endocrinology.
3. The time of eruption of milk teeth starts a little earlier at 3 months, but it is still normal due to individual differences.
When teething, some infants may experience low-grade fever, irritability, sleep disturbance, etc. Parents are advised to pay attention to their dental and physical health during the teething period, and to consult the doctor in time for treatment of any discomfort.