Teeth usually appear at six months, but some babies do not have teeth until eight months, what is going on? Children’s teething time is mainly determined by genetic factors, usually 6-7 months after the birth of the child will start to grow teeth, but some later to 10 months before the eruption, individual children to 1 year old before the first milk teeth, this phenomenon is normal. The lack of teeth in an 8-month-old baby may be due to genetic factors, the influence of the mother and father’s teething time, if both parents have a late teething situation, then the baby may also be affected, later than the average child teething. 8-month-old baby does not have teeth, may be due to the mother’s lack of nutrition during pregnancy, or the baby is born with insufficient nutrition, lack of certain elements of growth and development, you need to take the child to the hospital to confirm. You need to take your child to the hospital for a checkup to confirm the diagnosis. It is important to pay attention to a balanced diet before and after the child’s teething period. Late teething can also be due to premature birth or some diseases, so when there is a longer period of non-teething, it is best to go to the hospital to check if there is a medical condition that affects the baby’s teething. Babies over 6 months of age should pay attention to calcium supplementation, eat more food rich in calcium and protein to promote growth and development, or take calcium supplements, and usually need more sunshine and proper vitamin D supplementation.