It is still normal for babies to have no teeth when they are one year old and should continue to be observed. If the teeth are still not erupted at 13 months, it is a delayed eruption of milk teeth.
Generally, the baby’s milk teeth are ossified at birth, hidden in the jawbone, and start to erupt at 4~10 months after birth, if they have not erupted at 13 months, they are delayed eruption of milk teeth.
The timing and order of eruption varies greatly from one individual to another, and is related to factors such as genetics, endocrinology, and the shape of food. Therefore, it is still normal for baby’s milk teeth to not erupt at the age of 1 year, you can continue to observe for 1 month, if the milk teeth erupt before 13 months, it is normal, if the milk teeth are not erupted at 13 months, it is delayed eruption of milk teeth, you should consult a doctor to check whether there is vitamin D deficiency rickets and other diseases.
Parents are advised to continue to observe the child, and if the teeth have not erupted by 13 months, the child should be examined and treated according to the doctor’s instructions.