state two difference between milk teeth and permanent teeth
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Once the set of primary teeth is complete, the jaws of the baby grow to make room for the permanent teeth which begin to appear at around 6 years of age. The milk teeth then begin to shed over the next 6 years and are replaced by a full set of permanent teeth by around the age of 12 years.
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milk teeth is with us from birth, and milk teeth breaks down and and permanent teeth comes up when we grow up.
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