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Typically you take a prophylactic (treatment before there's a problem) antibiotic before dental work if you have any sort of implant (such as a joint replacement, or even a surgical screw), a heart defect or murmur. These antibiotics are thought to prevent bacteria from the mouth, which may enter the blood stream during dental work, from reaching the site of the implant and creating a "slime layer" or infection, or from causing bacterial endocarditis (a heart infection).

New studies show that taking antibiotics before dental work may not be necessary.

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13y ago
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13y ago

A dentist usually prescribes antibiotics because of potentially fatal heart complications. Believe it or not.

It turns out that if bacteria in your mouth get into your bloodstream, they can do really horrible things to your heart valves.

So if your dentist is scheduling oral surgery, he's quite likely to prescribe antibiotics, and you should take them according to the prescription even if you feel fine.

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12y ago

A root canal is an open wound. The mouth is a breeding ground for germs. Amoxycillin is a powerful antibiotic that helps the body fight any possibility of infection while the wound heals.

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Q: Why might a dentist prescribe amoxicillin?
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