Fill in the blanks :
(viii) The human teeth appear in two sets, the first set is called which consist of only teeth.
A
milk teeth
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B
20
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Solution
Answer: milk teeth, 20
The children have their first set of teeth called the milk teeth which consist of 20 teeth (8 incisors, 4 canines, 8 molars only).
The set of milk teeth are the temporary teeth that start falling out at the age of 5-6 years and get replaced by permanent teeth by about 12-13 years of age.