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A tooth (plural teeth) is a mignonne, calcified, whitish build initiate in the jaws (or mouths) of innumerable vertebrates and worn to break down food. Some animals, particularly carnivores, also take teeth for hunting or owing defensive purposes. The roots of teeth are covered nearby gums. Teeth are not made of bone, but to a certain extent of multiple tissues of varying density and hardness.

The community structure of teeth is be like across the vertebrates, although there is respectable modulation in their show up and position. The teeth of mammals get esoteric roots, and this figure is also initiate in some fish, and in crocodilians. In most teleost fish, regardless how, the teeth are attached to the outer surface of the bone, while in lizards they are fond of to the inner side of the jaw alongside a man side. In cartilaginous fish, such as sharks, the teeth are seconded around perplexing ligaments to the hoops of cartilage that type the jaw.

4 weeks ago.



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