Question

13. Explain the term thecodont and diphyodont.
14 Name diferent types of teeth and their number in an adult human​

Answer 1

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ANSWER 13.

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.

ANSWER 14.

• An adult human has 32 permanent teeth which are of four different types, namely, incisors, canine, premolars and molars. 

• There are 8 incisors, 4 canines, 8 premolars and 12 molars.

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Answer 2

13 . Answer: 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.

14 . Answer: A normal adult mouth has 32 teeth, which (except for wisdom teeth) have erupted by about age 13: Incisors (8 total): The middlemost four teeth on the upper and lower jaws. Canines (4 total): The pointed teeth just outside the incisors. Premolars (8 total): Teeth between the canines and molars.