Taking good care of your mouth, teeth and gums is a worthy goal in and of itself. Good oral and dental hygiene can help prevent bad breath, tooth decay and gum disease — and can help you keep your teeth as you get older.

Researchers are also discovering new reasons to brush and floss. A healthy mouth may help you ward off medical disorders. An unhealthy mouth, especially if you have gum disease, may increase your risk of serious health problems such as heart attack, stroke, poorly controlled diabetes and preterm labor.

The case for good oral hygiene keeps getting stronger. Understand the importance of oral health — and its connection to your overall health. What's in your mouth reveals much about your health? What does the health of your mouth have to do with your overall health? In a word, plenty a look inside or a swab of saliva can tell your doctor volumes about what's going on inside your body.

Many conditions cause oral signs and symptoms your mouth is a window into what's going on in the rest of your body, often serving as a helpful vantage point for detecting the early signs and symptoms of systemic disease — a disease that affects or pertains to your entire body, not just one of its parts. Systemic conditions such as AIDS or diabetes, for example, often first become apparent as mouth lesions or other oral problems. In fact, according to the Academy of General Dentistry, more than 90 percent of all systemic diseases produce oral signs and symptoms.

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