Explain the term thecodont and diphyodont.


Thecodont dentition is a dentition in which the base of the tooth is enclosed in jaw sockets. The tooth is embedded in a socket of jawbone. Diphyodont means that during their lifespan, an organism can develop two sets of teeth, means teeth will grow two times. Humans are diphyodonts, which means that we possess two successive sets of teeth in our lifetime – the milk teeth and permanent teeth. Children usually have 20 milk teeth which get gradually replaced by 32 permanent teeth as they mature.

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