Dr. Damon R. Johnson, DDS | What Lives in Your Mouth?

bacteria in the human mouth

Take this fun and informative quiz to find out about the hidden universe of germs inside your mouth. Answers provided by Dr. Damon R. Johnson, DDS.

True or False?  There are more bacteria in your mouth right now than the population of North America.

TRUE: Actually, there is one bacteria living inside your mouth at any given time for almost every person alive today. There are over 700 species of microbes making their homes between your teeth, on your gums, and under your tongue, says Dr. Damon R. Johnson, DDS.

True or False? A dog’s mouth is much cleaner than a human’s.

FALSE: Dogs and cats have just as many germs as we do. Tipping the scale in our favor, domestic animals also have an additional 100 or so strands of bacteria that cause illness in humans.

True or False? It takes five seconds for food to pick up germs when it hits the floor.

FALSE: Sorry, kids, the “5-second rule” isn’t legit. According to Dr. Damon R. Johnson, DDS, food grabs at whatever germs are available as soon as it touches the surface of the floor (or table, or dirty plate).

True or False? Gum disease is contagious.

FALSE: Gum disease, explains Dr. Damon R. Johnson, DDS, is caused by long-term exposure to bacteria. Chances are, if you brush your teeth regularly and maintain a proper oral care plan, your gums will be just fine.

True or False? Bacteria can be transferred from person to person by sharing cosmetics.

TRUE: Lipstick, lip balm, and lip gloss aren’t antimicrobial and hold on to any bacteria introduced by their user.

True or False? Microwaving my toothbrush is the best way to kill germs.

FALSE: Dr. Damon R. Johnson, DDS, reports that the American Dental Association recommends a quick rinse in tap water followed by air drying. And though toothbrush covers are popular, they are the ideal environment for bacteria to multiply since they are both damp and enclosed.

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