They can even be deadly. Infections of the gums and teeth can release bacteria into the blood system.

VOA: special.2009.03.11

The American Dental Association says removal is generally advised when wisdom teeth only partly break through the gums.

VOA: special.2011.08.10

But dentists say a baby's gums and early teeth should be cleaned after each feeding.

VOA: special.2009.03.11