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Diabetes and your mouth: gum disease, dry mouth, the signs to check for, the dentist, and the cost
For anyone with diabetes whose gums bleed, whose mouth is dry, or who has not seen a dentist in a while; for anyone with diabetes facing dental work; and for the people who care for them. It passes on, by name, what the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK, part of the NIH) says: how diabetes affects your mouth, gum disease and the other mouth problems, the signs to check for, what to tell your dentist and ask your doctor before dental work, and keeping your mouth healthy when money is tight. It builds the words to say, and prints a card for your notes. Nothing is saved.
A word with a dotted line under it, like this, opens its official definition, quoted from a U.S. government glossary.
Right now
- A face or neck swelling, with trouble breathing or swallowing? Call 911 (ours).
- A swollen face, jaw or gums, or a fever with pain in your mouth? See a dentist or doctor the same day (ours). Shaky, sweaty or confused? Your blood sugar may be low: see When blood sugar goes too low or too high (ours).
- Thoughts of suicide? Call or text 988, any hour, free (ours).
More help
- On this site: When blood sugar goes too low or too high · Dental care when you can’t afford a dentist · Heart, blood and hormones: find the right page.
- Alongside it: The A1C test · Blood sugar log · Quit smoking · Diabetic neuropathy · Diabetic eye disease · A knocked-out or broken tooth · My medicines.
- When it is hard to pay: When you need a doctor and can’t pay. Getting ready: Get ready for your appointment.
- In an emergency: Help right now (988, 911). All our free tools.
Your heart, blood pressure, blood sugar, thyroid or blood, and not sure this is the right page? The pages on this site for a heart attack or stroke, blood pressure, AFib, heart failure, cholesterol, diabetes and prediabetes, the thyroid, anemia, sickle cell and menopause, on one list.
Other guides on this site that go with this page
Free to read. We chose these ourselves; no professional did. Each guide was written with AI and has not been reviewed by a professional. They are general information, not advice.
- When it’s your kidneys: your kidneys: who should be tested, what the two numbers mean, the pain relievers that can damage kidneys, dialysis, transplant, and Medicare at any age.
This page and its wording were written with AI (Claude) for Scarlet Beast (our AI policy). No dentist, doctor or nurse has reviewed it. The facts were read on October 20, 2026 on NIDDK’s (NIH) page Diabetes, Gum Disease, & Other Dental Problems (last reviewed January 2022). The numbers (almost 25% of U.S. adults with diabetes ages 50 and older have severe tooth loss, compared with about 16% of those without diabetes; the quitline 1-800-QUIT-NOW, 1-800-784-8669) are NIDDK’s, and we add none. Ours: 911 for a swollen face or neck with trouble breathing or swallowing; the same day for a swollen face, jaw or gums, or a fever with mouth pain; the pointer to our page on low blood sugar; and 988 (NIDDK’s page names none of these); never changing a diabetes medicine on your own; the lines to say; the card; the links to our other pages; and the order of the steps. What we left out: NIDDK’s section on clinical trials, its references, its picture and its outside links (our dental care, low-cost care and quit-smoking pages carry those kinds of help); we name no brands, no products, no medicines and no doses. Nothing you tick or type here is saved or sent.