Cavities form from tooth decay and can lead to pain or tooth loss. Here's a roundup of symptoms, causes and expert tips to ...

Dental plaque is a sticky film of bacteria that builds up on your teeth throughout your day ... Use a humidifier close to your bed at night. Some medical conditions and medications can cause ...

Bacteria build up when you don’t brush your teeth or floss well enough ... You can't catch periodontal disease just from being close to someone. Your dentist may refer you to a gum specialist ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two teeth from a ...

Baking soda may help remove plaque, which is a coating of bacteria build-up on the teeth. While there isn't much research on baking soda use alone, studies have found that baking soda toothpaste ...

The goal of brushing one’s teeth ... harmful bacteria to thrive. Brushing mechanically removes this biofilm from teeth and gums, while abrasives in toothpaste help break it up further.

In recent years, research has suggested a connection between oral bacteria and Alzheimer's disease ... and loose or sensitive teeth. For prevention, the NIH recommends brushing teeth with fluoride ...

“When we brush our teeth, we brush the bacteria away. But by the next day, it’s back,” Borisy says. “We think it just crawls up by rapidly expanding into fresh territory.” The team next ...