A tooth (plural teeth) is a mignonne, calcified, whitish structure found in the jaws (or mouths) of many vertebrates and worn to break down food. Some animals, surprisingly carnivores, also take teeth for hunting or owing defensive purposes. The roots of teeth are covered by means of gums. Teeth are not made of bone, but rather of multiple tissues of varying density and hardness.

The unrestricted structure of teeth is alike resemble across the vertebrates, although there is sizeable modifying in their show up and position. The teeth of mammals get profound roots, and this pattern is also create in some fish, and in crocodilians. In most teleost fish, regardless how, the teeth are fastened to the outer rise of the bone, while in lizards they are fixed devoted to to the inner side of the jaw during a man side. In cartilaginous fish, such as sharks, the teeth are attached beside tough ligaments to the hoops of cartilage that form the jaw.

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