What is the number of milk teeth present in children?

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Solution

The correct option is B
20

Teeth develop in two sets during the lifetime of an individual. The first set is called the milk or temporary teeth. These milk teeth are 20 in number - 8 incisors, 4 canines, and 8 molars. These teeth start falling out around the age of 5 - 6 and are replaced with permanent teeth by 12 - 13 years of age.

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Question 52

The number of milk teeth in human beings is 20 and the number of permanent teeth is 32. Find the ratio of the number of milk teeth to the number of permanent teeth.

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