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Diabetes and Periodontal Disease: An Increased Risk

You may be at greater risk for gum disease (periodontal disease) when you have diabetes. This disease is an infection of the gums and tissues supporting the teeth. Any gum disease you may develop can be more severe and harder to control. Preventing or controlling gum disease needs ongoing care. Untreated or uncontrolled gum disease may make it harder to control your diabetes.

What causes gum infections?

Bacteria in your mouth form a sticky, whitish film (plaque) on teeth. Plaque can harden into a rough yellow or brown deposit (tartar) if it's not removed every day. Tartar is harder to remove from your teeth than plaque. Bacteria from plaque and tartar can cause swollen, bleeding, infected, and receding gums. Without correct treatment, severe gum and bone disease may occur.


Man flossing teeth.
Removing plaque and tartar from teeth daily helps keep the gums healthy.

Follow the guidelines below to help prevent gum disease:

  • Use good oral hygiene. Brush your teeth after each meal. Floss daily. Don’t forget to also brush your tongue. Your dentist may suggest special aids to help keep your teeth clean.

  • See your dentist regularly. Your dentist may want to see you every 3 to 4 months for exams and cleanings. How often you visit your dentist will depend on how severe your gum disease is. It may also depend on your plaque and tartar buildup. It may depend on how well you care for your teeth and gums. Tell your dentist if you have any problems controlling your blood sugar.

  • Control your blood sugar. Keeping your blood sugar at a healthy level will help control your diabetes. Doing so will also help your body fight infections. It may make your gum disease less severe.. Take your diabetes medicine as instructed. See your primary healthcare provider regularly.


If you have periodontal disease, your dentist may suggest any of the treatment plans below:

  • Scaling and root planing. These techniques remove plaque and tartar from teeth, above and below the gumline. Scaling and root planing also help control gum and bone disease.

  • Antibiotics. Antibiotics are medicines that kill bacteria. You may receive antibiotics as pills. Or the medicine may be put on the area (topical form).

  • Gum surgery. Gum surgery is a way to remove all deep deposits of plaque and tartar. It may be done for advanced infections that don’t respond to other types of treatments.

Online Medical Reviewer: Jessica Gotwals RN BSN MPH
Online Medical Reviewer: Michael Kapner MD
Online Medical Reviewer: Rita Sather RN
Date Last Reviewed: 8/1/2022
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