Your child will have 20 baby teeth (primary teeth) which are
later replaced by permanent teeth. Primary teeth usually begin to break through
the gums when a child is about 6 months old. A baby's first tooth can come in
as early as 3 months or as late as 1 year of age. In rare cases, a baby's
first tooth may come in after 1 year of age. Most children have all of their
primary teeth by the time they are 3 years old.
Secondary teeth (permanent teeth) typically begin to replace primary
teeth when a child is 6 to 7 years old. A secondary tooth usually pushes out
the primary tooth it is replacing.
July 20, 2012
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & David Messenger, MD
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