A child's first teeth are called primary (baby) teeth. Primary teeth are present deep in the gums at birth. These teeth start to come in between 4 and 18 months of age. In most children, all baby teeth are in place by age 3. Taking good care of them helps the adult teeth develop properly.
At age 6 or 7, baby teeth begin to fall out. They are replaced by permanent (adult) teeth. Most adult teeth are in place by the time the child is in his or her early teens. Permanent teeth are the ones the child will have for the rest of his or her life.
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