Generally speaking, most infants will start getting their lower front incisors anywhere from 6-12 months of age. Usually this begins with the two lower front incisors, followed by the upper incisors, and then pair by pair heading toward the back of the mouth. Most children have all 20 of their primary teeth by the age of 2 or 3. If this is not the case, our dentists can find out if something is preventing your child’s teeth from erupting.