It can be normal for a baby to be 10 months without teeth. When your baby is born, there are already 20 little teeth hiding in his gums, which are the tooth germs for milk teeth. In most cases, baby milk teeth erupt at 6 to 8 months of age. There are individual differences in the development of babies, coupled with the eruption of milk teeth is also affected by genetics, nutritional status and other aspects of the baby’s milk teeth eruption time, some earlier, some later, as early as 3-4 months when the milk teeth have erupted, later in 8-10 months, or even 12 months before the teeth, which is a normal physiological phenomenon. If your baby’s teeth have not erupted by the time he/she reaches 12 months of age, it is recommended that parents take your baby to the hospital for dental consultation to clarify the cause and provide symptomatic treatment according to the cause to improve the symptoms of late teething.