what is milk teeth and permanently y teeth
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As humans, we have two sets of teeth that erupt during our lifetime – the first set is called as milk teeth, primary teeth or baby teeth and they start erupting when we are 6 months old and the next set of teeth, called permanent teeth, begin erupting as we turn 6 years old.
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in humans,teeth grow twice in their life -time.... First set of 20 teeth appears during infancy . These teeth are called milk teeth...
The milk teeth fall off one by one and a new set of 32 permanent teeth is formed by the age of 12 or more.... These 32 teeth are called permanent teeth..........
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