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Teeth (sometimes called dentes) are accessory organs of the human digestive system. They are located in the buccal cavity, which is also known as the oral cavity and as the mouth. There are normally four types of teeth in an adult human mouth. Teeth are the organs of chewing, which is also known as mastication. Teeth cut, tear and grind food in the mouth, enabling it to be mixed with saliva (from the salivary glands) effectively and therefore swallowed more easily. The actions performed by the teeth are all mechanical-as opposed to chemical.
one view of the tooth's system is people assume it is digestive because it helps refine food down to a level where you can more easily digest and manage it. another is that people feel it is part of the integumentary system because it is a covering and can be used as protection and is an outside layer if you..well smile and can be used as a protective 'cover' of your mouth.nother is that people feel it is part of the integumentary system because it is a covering and can be used as protection and is an outside layer if you.. well smile and can be used as a protective 'cover' of your mouth.