Periodontal disease is the most common dental disease affecting those living with diabetes, affecting nearly 22% of those diagnosed. Especially with increasing age, poor blood sugar control increases the risk for gum problems. In fact, people with diabetes are at a higher risk for gum problems because of poor blood sugar control. As with all infections, serious gum disease may cause blood sugar to rise. This makes diabetes harder to control because you are more susceptible to infections and are less able to fight the bacteria invading the gums. Practicing good oral hygiene and having regular, routine professional cleanings help slow the progression of gum disease and may actually improve your average level of blood sugar.