Did you know that your oral health can offer clues about your overall health — or that problems in your mouth can affect the rest of your body? Understand the connection between oral health and overall health and what you can do to protect yourself. What’s the connection between oral health and overall health? Like many areas of the body, your mouth is filled with millions of bacteria — most of them harmless. Normally the body’s natural defenses and good oral health care, such as daily brushing and flossing, can keep these bacteria under control. However, without proper oral hygiene, bacteria can reach levels that might lead to oral infections, such as tooth decay and gum disease. In addition, certain medications — such as decongestants, antihistamines, painkillers and diuretics — can reduce saliva flow. Our saliva is important because of its antibacterial fighting power. Saliva washes away food and neutralizes acids produced by bacteria in the mouth, helping to protect ...