The 20 primary teeth in a baby's jaws are present at birth and develop between the ages of 6 months and a year. Most youngsters have a complete set of 20 primary teeth by the age of three. The order in which teeth emerge and the ages at which you should expect certain teeth to appear are shown in this infant teeth eruption chart. Although each child is unique, the first teeth usually appear at the top and bottom of the front of the mouth. For more details please contact us! 8527366803