Definition of permanent teeth
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Adult teeth or permanent teeth replace the primary teeth. They aid in digestion, speech and general appearance. There are 32 permanent teeth, with the main difference from primary teeth is that there are 4 premolars and 6 molars in each arch. Permanent teeth begin erupting at 6yrs of age and end at 21yrs of age.
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Second set of teeth is called permanent teeth which replace milk teeth and they remain throughout our life. They fall during old age.
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