Quote Originally Posted by IRescue452
The chances aren't all that slim. Its an infection in the tooth. Any infection in the tissue of your body can spred and kill you. The tooth just happens to be very close to your brain, which is why tooth infections should be treated as soon as possible. And brushing your teeth does not prevent infection. It can have little at all to do with it.

ITA. Infections, by nature, spread if they aren't treated, It is not uncommon AT ALL for infections in the teeth/mouth to spread to other areas of the body.