What Your Dental Hygienist Knows Just By Looking Into Your Mouth

On the front line of oral hygiene, your hygienist is more important to your health than you might think. If you’re a regular at your dentist’s office, you may spend more time with your hygienist than your dentist. It’s also possible, if you visit the dentist as often as recommended, that you see your hygienist more than you see your doctor.

A hygienist is more than the person who makes your teeth feel clean and smooth when you leave the dentist’s office. In fact, your hygienist is looking for a whole lot more than tartar. Along with your dentist, your hygienist is looking for signs of oral diseases – and maybe the first person to discover symptoms of other health-related problems, such as heart disease or diabetes.

“The mouth is the gateway to good health,” says Heather Williams, a hygienist at Prairie Dental in Sioux Falls, South Dakota. “Your gums, teeth, and mouth have much to say about your health, overall. Sometimes, the first sign of disease can show up in the mouth.”

Disease like diabetes, certain types of oral cancer, and even some vitamin deficiencies can be first identified in a dentist’s office at a regular examination. In addition to diseases, your hygienist may have insights into bad habits, like smoking, chewing tobacco, and foods and drinks you should be avoiding.

“Lack of good oral care can have a negative impact on your overall health,” says Williams. “There is more to it than meets the eye.”


  1. If you floss regularly. "Yes, I can tell if you haven't been flossing regularly or effectively," says Williams. "If you floss daily, and do it correctly, the gums are generally light pink and firm, not red or swollen. Unhealthy gums that aren't used to being flossed are often swollen and bleed easily."
  2. The source of bad breath. "Sometimes, patients simply need better oral hygiene," says Williams. "In some cases, however, bad breath can mean something else." Breath that smells "fruity" could be an indicator of diabetic ketoacidosis, according to Williams. A mouth that smells fishy or similar ammonia may indicate kidney problems. Foul-smelling breath could indicate other issues, such as acid reflux or sinus issues."Whatever the case, we will suggest you see your health care provider if we suspect something is wrong," says Williams.
  3. If you have symptoms of heart disease. Poor oral health combined with other risk factors may contribute to heart disease. Gum disease can let bacteria enter your bloodstream and locate elsewhere in the body. In other words, if you have plaque in your mouth, it could mean you have plaque in your arteries.
  4. If you have symptoms of diabetes. "Dental hygiene is critically important for people with diabetes," says Williams. Poor sugar control can increase your risk of gum disease, cavities, tooth loss, oral infections and more. People with diabetes are more likely to get infections -- including gum infections -- and have a harder time fighting them off.
  5. What you have been eating (or drinking). "Decay in between the teeth is often due to something in the diet," says Williams. "Sodas, energy drinks, and sports drinks are a major contributor to tooth decay among teens and adults. Fruit snacks, raisins, natural dried fruits, and fruit juices are often associated with tooth decay in children."
  6. Signs of oral cancer. "Here, we are looking for any changes in the hard and soft tissues," says Williams. "We are looking for symptoms such as unexplained bleeding, chronic sores or speckled patches, thickenings, swelling, bumps or lumps."


“Flossing is as important as brushing,” says Williams. “It removes the plaque and food particles in places the toothbrush can’t reach. Just make sure you’re taking the time to do it correctly. You don’t want to overdo it or underdo it.”

According to Williams, the most common mistake is not flossing under the gum tissue. “Gently ease the floss until it is under the gum tissue. The floss should hug the tooth or look like the letter 'c' wrapped around your tooth.

(source: Blue, Winter 2016)


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