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A tooth (plural teeth) is a mignonne, calcified, whitish structure ground in the jaws (or mouths) of multitudinous vertebrates and worn to ease up down food. Some animals, particularly carnivores, also use teeth repayment for hunting or instead of defensive purposes. The roots of teeth are covered by gums. Teeth are not made of bone, but degree of multiple tissues of varying density and hardness.
The general make-up of teeth is be like across the vertebrates, although there is considerable converting in their fabric and position. The teeth of mammals be struck by deep roots, and this figure is also initiate in some fish, and in crocodilians. In most teleost fish, how, the teeth are partial to to the outer outwardly of the bone, while in lizards they are fastened to the inner side of the jaw by way of harmonious side. In cartilaginous fish, such as sharks, the teeth are joined around perplexing ligaments to the hoops of cartilage that type the jaw.
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