Yes, diabetes can have very serious issues when it comes to your teeth, and bleeding. If a diabetic has higher blood sugar levels, and if the A1C levels are above 6 or so, you will notice a higher bleeding amount, and likely this is not just gingivitis, rather it can have progressed to periodontitis. There can be a vicious cycle between the diabetic control and the infection around your teeth, and they are related at a very high level. You should have a full periodontal exam, along with making sure that your physician is happy with your diabetic control. I hope that this answer helps you. Dr. Steve Aeschliman.
Bleeding gums is a sign of inflammation. Inflammation can lead to gum disease and bone loss. See a dentist to evaluate and treat as needed.
Gum bleeding is a sign of periodontal disease and can make control of your diabetes very difficult. In the other hand diabetic patients are more prone to gum disease