If you live with diabetes, your mouth deserves extra attention. The link between diabetes and oral health works in both directions.
How diabetes affects the mouth
- Gum disease. Higher glucose levels weaken defences against bacteria, so gum infection is more common and can progress faster. See gum disease stages.
- Dry mouth. Less saliva raises the risk of cavities and discomfort.
- Slow healing. Extractions and gum treatment may take longer to heal.
- Oral infections. Fungal infections such as thrush are more frequent.
- Burning mouth or taste changes in some people.
How gum disease affects diabetes
Studies suggest that severe gum disease can make blood sugar harder to control. Treating gum disease may support better diabetes management, though it does not replace your diabetes care plan.
Tips for protecting your mouth
- Keep blood sugar within the target your doctor has set.
- Brush twice a day with fluoride toothpaste and clean between your teeth daily.
- Visit your dentist at least every six months, or as often as advised.
- Do not ignore bleeding, swollen or receding gums, a persistent bad taste or loose teeth.
- If you wear dentures, clean them daily. See denture care.
- Do not smoke or chew tobacco.
- Drink water to ease a dry mouth.
Before dental treatment
Tell your dentist about your diabetes, the medicines you take (including insulin) and your recent readings. Have your usual meal and medicines unless advised otherwise, and carry something to treat a low blood sugar. Morning appointments are often convenient.
Support from our team
We can monitor your gum health, give a professional cleaning and help you build an effective routine. Learn more about our periodontal care.