A dental abscess is a collection of pus that can form inside the teeth, in the gums, or in the bone that holds the teeth in place. It’s caused by a bacterial infection. An abscess at the end of a tooth is called a periapical abscess. An abscess in the gum is called a periodontal abscess.
Skin abscesses. … However, antibiotics alone may not be enough to clear a skin abscess, and the pus may need to be drained to clear the infection. If a skin abscess isn’t drained, it may continue to grow and fill with pus until it bursts, which can be very painful and can cause the infection to spread or recur.
The number of people who die from an untreated tooth problem is small, but the details can be harrowing. An oft-cited case is the 2007 death of Deamonte Driver, a 12-year-old Maryland boy who died when bacteria from an abscess infected his brain.