In-depth

Complications

Canker sore

Although canker sores aren't serious, they can be painful, and in some cases may be a sign of another health problem.

Prevention

Dental exam

Dental exam — Overview covers preparation and what to expect during a dental exam.

Oral health basics

How often do you need to replace your toothbrush? Is mouth rinse necessary? Get the facts on how to keep your smile healthy.

Symptoms

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Tests and diagnosis

X-ray

X-rays are a form of radiation that can make images of your bones and internal organs.

Apr. 09, 2013

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