- Written by Thomas J. Salinas, D.D.S.
When you have sensitive teeth, certain activities, such as brushing, eating and drinking, can cause sharp, temporary pain in your teeth. Sensitive teeth are typically the result of worn tooth enamel or exposed tooth roots. Sometimes, however, tooth discomfort is caused by other factors, such as a cavity, a cracked or chipped tooth, a worn filling, or gum disease.
- Written by Sheldon G. Sheps, M.D.
New, persistent leg pain certainly warrants a visit to your doctor for evaluation. Leg pain can have many causes, but your description of aching after prolonged standing or sitting suggests a possible buildup of fluid in the leg veins (chronic venous disease, venous insufficiency).
- Written by James M. Steckelberg, M.D.
As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. Perhaps the most important distinction between bacteria and viruses is that antibiotic drugs usually kill bacteria, but they aren't effective against viruses.
- Written by Kurt A. Kennel, M.D.
Certain types of osteoporosis drugs have been associated with an increased risk of two rare but serious problems - osteonecrosis of the jaw and an unusual type of fracture in the upper thigh bone (femur).
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