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During a physical examination, a health care provider studies a patient's body to determine the presence or absence of physical problems. A typical physical ex... More
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Tuning forks, made of steel, aluminum, or magnesium-alloy will vibrate at a set frequency to produce a musical tone when struck. The vibrations produced can be used... More
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A computed tomography (CT) scan is an imaging method that uses x-rays to create cross-sectional pictures of the body. See also: Cranial CT scan; Lumbosacral sp... More
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A hearing aid is an aid to better hearing, not a cure for hearing loss. People often have unrealistic hopes about their hearing aid and are disappointed when it fai... More
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Stapedectomy is a surgical procedure in which the innermost bone(stapes) of the three bones(the stapes, the incus, and the malleus) of the middle ear is removed, an... More
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A cochlear implant is a small electronic device that helps people hear. It can be used for people who are deaf or very hard of hearing. A cochlear implant is not th... More
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SODIUM FLUORIDE (SOE dee um FLOOR ide) is a mineral that strengthens tooth enamel. It helps to prevent dental decay and is also used as a fluoride supplement. More
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CALCIUM CARBONATE (KAL see um KAR bon ate) is a calcium salt. It is used as an antacid to relieve the symptoms of indigestion and heartburn. It is also used to prev... More
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CALCIUM CARBONATE (KAL see um KAR bon ate) is a calcium salt. It is used as an antacid to relieve the symptoms of indigestion and heartburn. It is also used to prev... More
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