Biofilms can lie quietly for years without symptoms. But a viral infection or other stressor can “wake up” the bacteria, ...

Persistent tooth infection may cause ear and head pain because of the connection between your teeth and the trigeminal nerve.

EXETER, England — Most people know that brushing and flossing help prevent cavities and gum disease, but maintaining good oral health might also be linked to brain function as we age. A new study ...

Scientists have discovered a link between bacteria in the mouth and gut and the progression cognitive decline in Parkinson’s disease. Specific changes in these bacteria, known as the microbiome, has ...

Depression could be linked to a lack of diversity in the bacteria in your mouth, according to new research. As you read this, your mouth contains between 500 billion and 1 trillion bacteria. After the ...

Hand, foot, and mouth, a viral illness causing fever, rashes, and mouth sores, is on the rise. With cases climbing, experts ...

Your mouth naturally contains about 700 types of bacteria, some good but others not so much. The mouths of people who routinely drank one or more alcoholic beverages each day contained an ...

Cavities are incredibly common, affecting 90% of adults between the ages of 19 and 64 — but they are often preventable. Also known as "dental caries," cavities are damaged areas in the hard parts of ...