Question

How many teeth grow only once in the life of a man?

Answer 1

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12 teeth grow only once in a man's life.

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Answer 2

$\huge\underline\mathfrak\red{Answer:-}$

=>12 Teeth grow only once in the lifr of a human being.

=>These include 4 premolars and 1 molar.

$\huge\underline{Some\:Additional\:Information}$

⚡Teeth traces its origin to being mesodermal but enamel is ectodermal.

Moreover,Temporary teeth or milk teeth or deudous teeth are 20 in number.Whereas Permanent teeth are 32 in number,though this number may vary to 30 in some.The third molar which is a permanent teeth is popularly known by the name $\bold{Wisdom\:Tooth}$ which is a vestigial structure and it is last to erupt normally b/w 18 to 25 years.

⚡The teeth which grow only once are also known as $\bold\pink{Monophyodont\:Teeth}$