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Question

Humans have form of dentition. They also have two sets of teeth in different stages of life and are called .

A
diphyodont
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B
dentine
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C
heterodont
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D
thecodont
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E
wisdom teeth
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Solution

The correct option is C heterodont
'Hetero' means different and 'dont' means teeth. Humans have teeth with different morphology such as incisors, canines, pre-molars and molars and hence, are known as heterodont. Also, humans have two successive sets of teeth in different stages of life- deciduous set and permanent set. That is why, they are called diphyodont.
Thecodont is a morphological arrangement in which the base of the tooth is completely enclosed in a deep socket of bone. Dentine is the bone-like substance beneath the enamel.

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