Diabetes affects the whole body, including the mouth. People with diabetes have a higher risk of gum disease, infections and slow healing. The link works both ways: severe gum disease can make blood sugar harder to control.
How diabetes affects the mouth
- Gum disease, which can progress faster
- Dry mouth, which increases the risk of decay
- Fungal infections such as oral thrush
- Slower healing after extractions or other treatment
- A burning sensation in the mouth for some people
Warning signs
- Red, swollen or bleeding gums
- Gums pulling away from the teeth
- Loose teeth or changes in your bite
- Persistent bad breath
- White patches or soreness in the mouth
Protecting your teeth and gums
- Keep your blood sugar within the target range your doctor has set.
- Brush twice daily and clean between your teeth every day.
- Have a check-up and clean at least every six months, or more often if advised.
- Don’t smoke.
- Tell your dentist about your diabetes and the medication you take.
On the day of treatment
Eat and take your medication as usual before a dental appointment, unless told otherwise, and bring a snack. Morning appointments are often easier for blood sugar control.
Dr H.B Mohamed works with patients managing diabetes at our Lenasia practice. We claim directly from all medical aids. Book a check-up.

