-- Teething is a normal part of an infant's life, but it doesn't come without some pain and discomfort.
The U.S. Food and Drug Administration cautions against applying medication directly to the gums. Products such as the numbing agent benzocaine may not be effective and may be dangerous, the agency says.
-- Gum disease is a common problem that can lead to bad breath, swollen gums and tooth loss if untreated.
Most people don't show signs of gum disease until they're in their 30s or 40s. But getting older doesn't automatically mean you'll get gum disease. Daily dental care and regular visits to your dentist can lessen your risk.