what are the three main parts of the tooth?
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['Crown — the top part of the tooth, and the only part you can normally see. ... ', 'Gumline — where the tooth and the gums meet. ... ', 'Root — the part of the tooth that is embedded in bone. ... ', 'Enamel — the outermost layer of the tooth. ... ', 'Dentin — the layer of the tooth under the enamel.']
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The mouth consists of two regions, the vestibule and the oral cavity proper. The mouth, normally moist, is lined with a mucous membrane, and contains the teeth. The lips mark the transition from mucous membrane to skin, which covers most of the body.
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Can be divided into three parts: the skull, vertebral column, & the thorax. Composed of the cranium & the facial bones.
975521
['Upper front teeth close in front of the lower teeth.', 'Lower teeth protrude past upper front teeth.', "Upper and lower jaws don't line up.", 'Extra spaces between teeth.', "Top and bottom teeth don't meet.", 'Crooked Teeth. ... ', 'Generally Straight Teeth.']
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The three main components of a battery are the two electrodes, called the anode and the cathode, and the electrolyte.
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['Calcium. Calcium is one of the most important minerals for healthy teeth because it strengthens your enamel. ... ', 'Vitamin D. ... ', 'Phosphorus. ... ', 'Vitamin A.']
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Teeth consist mostly of hard, inorganic minerals like calcium. They also contain nerves, blood vessels and specialized cells. But they are not bones. Teeth don't have the regenerative powers that bones do and can't grow back together if broken.
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Adults have 32 teeth. You should have this full set of adult teeth by your late teens. Adult teeth include incisors, canines, premolars, and molars: 8 incisors.
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The buccal cavity mainly comprises the primary organ of the digestive system including the teeth, tongue and salivary glands. The mouth is an opening through which the food is taken inside the body. ... The mouth or the oral cavity comprises of two parts: The oral cavity proper — It mainly comprises of the tongue.
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The most common missing teeth are wisdom teeth, upper lateral incisors, and second premolars/bicuspids.
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Living layers Teeth are made up of several layers: The outer, hard surface, called enamel, is nonliving, but the inner portion of the tooth is made up of hard, bony cells called dentin.
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While different numbers abound, it's generally accepted that we have three different types of teeth: Incisors, canines, and molars. Yet, many will happily distinguish between the three different types of molars, including premolars and third molars.
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['Internal jaws.', 'External jaws.', 'Main arm.', 'Sliding arm.', 'Depth measuring probe.', 'Locking Screw.']
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Incisors – The four front teeth in both the upper and lower jaws are called incisors. Their primary function is to cut food. The two incisors on either side of the midline are known as central incisors. The two adjacent teeth to the central incisors are known as the lateral incisors.
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['one pair of incisors in each jaw (upper and lower)', 'incisors grow continuously.', 'incisors lack enamel on the back of the tooth (and are worn down with use)', 'a large gap (diastema) behind incisors.', 'no canine teeth.', 'complex jaw musculature.', 'baculum (penis bone)']
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Teeth are "Living Body Parts" Teeth are “living body parts.” Many people think of them as just hunks of hard things that can be left alone and not maintained. However teeth are alive because they have inside them nerves, arteries and veins, and soft living tissue.
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Main parts of the brain The brain has three main parts: Cerebrum. Cerebellum. Brain stem.