After that, other teeth slowly begin to fill in, usually in pairs -- one each side of the upper or lower jaw -- until all 20 teeth (10 in the upper jaw and 10 in the lower jaw) have come in by the time the child is 2 ½ to 3 years old. read more
Your baby's first tooth should come in between 4 and 7 months. See our slideshow to learn the order your child's new teeth will appear and when. read more
A baby’s 20 primary teeth are already present in the jaws at birth and typically begin to appear when a baby is between 6 months and 1 year. Most children have a full set of 20 primary teeth by the time they are 3. read more