What is a toothache?
"Toothache" usually refers to pain around the teeth or jaws. In most instances, toothaches are caused by tooth or jaw problems, such as a dental cavity, a cracked tooth, an exposed tooth root, gum disease, disease of the jaw joint (temporo- mandibular joint), or spasms of the muscles used for chewing. The severity of a toothache can range from chronic and mild to sharp and excruciating. The pain may be aggravated by chewing or by cold or heat. A thorough oral examination, which includes dental X-rays, can help determine the cause, whether the toothache is coming from a tooth or jaw problem.
original article : http://www.medicinenet.com/toothache/article.htm
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