Do bacterial mouth infections clear up on their own.

Mouth Infections: The mouth is vascular and therefore infection is not usual. If you have a bacterial infection i would not treat it by waiting to see. The infection can spread.

Your mouth: Is normally full of bacteria. If you have any infection (painful swelling, pus, redness), affecting your mouth, please seek medical attention.

Sort of: Your mouth is full of bacterial that belong there. Brushing your teeth and using listerine (and other cleansing mouth washes) will help keep these normal residents in check. If you don't practice good hygien or have an infected tooth, the bacterial can set up shop and can't be eradicated without an antibiotic. If they get in good and cause a dental abscess antibiotics and surgery may be needed.