How Your Dentist Could Help Catch Diabetes Early
Most people think of their dentist as the person who checks for cavities, not blood sugar. But a growing body of research suggests your gums may reveal early signs of diabetes long before other symptoms appear, making your regular dentist visit more valuable than you might expect.
At By The Lake Dental, our dentists and dental team see oral health as part of your overall health picture, not something separate from it. Understanding how your mouth and your metabolism are connected can help you take gum changes seriously instead of brushing them off.
Why Your Mouth and Your Blood Sugar Are More Connected Than You Think
According to the Canadian Dental Association, research points to a link between oral disease and broader health problems, including diabetes, heart disease and stroke. Gum disease is not just a dental inconvenience; left unaddressed, it can be a signal that something bigger is going on in the body.
What a New Study Found in the Dentist's Chair
A 2026 study from King's College London put this connection to the test. Using a quick finger-prick blood test that produced results in about six minutes, researchers found that more than a third of dental patients with no known history of diabetes had blood sugar markers in the pre-diabetes or diabetes range. The test was carried out during routine dental appointments, showing that a dental visit could double as an early opportunity to flag a problem that often develops silently.
How Gum Disease and Diabetes Feed Each Other
This is not a one-way relationship. The Journal of the Canadian Dental Association notes that people with diabetes face a higher risk of periodontal disease, and that unmanaged gum disease can, in turn, make blood sugar harder to control. Each condition can quietly make the other worse, which is part of why dental professionals are increasingly paying attention to this connection.
Signs Your Gums Might Be Telling You Something
Gums that bleed easily during brushing or flossing, swelling, redness, or gums that seem slow to heal after a hygiene visit are all worth mentioning to your dental team. On their own, these signs usually point to gum disease. Combined with other risk factors, such as age or family history, they are also worth a conversation about your general health.
What This Means for Your Next Dental Visit
Research from the University of Toronto's Faculty of Dentistry, using health data from Ontario, found that self-reported oral health was linked to the risk of complications among people living with diabetes. This is part of why routine hygiene visits every 4 to 6 months matter so much. At By The Lake Dental, our dentists and dental team check your gums for early signs of periodontal disease as a standard part of every hygiene visit, giving you one more reason to keep those appointments consistent, whether or not diabetes has ever crossed your mind.
We have written before about how oral health connects to the rest of the body. If this topic interests you, take a look at How Regular Dentist Visits Can Help Protect Your Heart Health and How Your Oral Health Could Impact Your Brain.
Your next dental visit could tell you more about your health than you expect. Contact By The Lake Dental, your favourite dental office in Ajax and Scarborough, and book your appointment today.
Why choose By The Lake Dental:
✅ +15 years caring for our community’s oral health needs
✅ A Platinum+ Invisalign dental office
✅ Direct billing to benefit provider
✅ Cutting-edge technology
✅ Full service family care
✅ Concierge experience
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Call us today: Ajax 905-428-2111, Highland Creek 416-284-8282.
By The Lake Dental is your family’s one-stop dental office for everything your smile needs, including children’s dentistry, cosmetic dentistry, tooth extractions, oral hygiene, dental implants, orthodontics and Invisalign, mouthguards, root canal therapy, tooth restoration, temporomandibular disorder treatment, and more!
