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Can Diabetes Cause Dental Issues?

Woman with healthy, white teeth checking blood sugar.


Living life with diabetes can be tough. Diabetes can impact everything from your diet to your energy levels, and yes, even your dental health.

Understanding the link between your oral health and diabetes is the first step towards maintaining a healthy smile and overall wellness.

Diabetes and Its Impact on the Body

Diabetes is a common metabolic disorder. It is characterized by high glucose levels in one’s blood. It can be due to insufficient insulin production (Type 1 diabetes) or an inability to use insulin effectively (Type 2 diabetes). This condition affects the body's ability to process sugar, leading to potential damage in various organs, nerves, and blood vessels.

Persistent higher blood sugar levels can result in severe health complications, including heart disease, kidney damage, vision impairment, and nerve problems. However, the effects of diabetes aren't limited to these better-known complications; it also has significant implications for oral health, which can often be overlooked.

How Diabetes Affects Oral Health

The relationship between diabetes and oral health goes both ways: not only can diabetes lead to oral health problems, but poor oral health can exacerbate diabetes, complicating glucose management and increasing the risk of complications.

Gum Disease

People with diabetes are at a higher than normal risk of developing gum diseases, such as gingivitis (gum inflammation) and periodontitis (serious gum disease that can not only damage the gums, but also the bone that supports teeth).

High blood sugar levels in the saliva create an environment where bacteria thrive, leading to plaque buildup. If not removed, plaque hardens into tartar, exacerbating gum inflammation and leading to more severe dental issues. Moreover, diabetes can weaken the immune system, reducing the body's resistance to infection and slowing the healing process, which can make gum disease both more severe and more difficult to treat.

Tooth Decay

Increased levels of sugar in the saliva has the potential to also lead to a heightened risk of tooth decay. Oral bacteria produce acids that attack tooth enamel, leading to cavities. Regular dental care is important to manage this risk, as cavities can lead to more severe dental problems if untreated.

Dry Mouth

Diabetes often leads to reduced saliva flow, resulting in dry mouth. Saliva is more important for oral health than many people realize, as it helps prevent food particles from sticking to the teeth and neutralizes acids produced by mouth bacteria. Without adequate saliva, you are more susceptible to tooth decay, gum disease, and infections.

Oral Infections

People with diabetes have a higher than typical risk for developing oral infections, like thrush (a fungal infection caused by Candida). Symptoms include painful white or red patches inside the mouth. Managing blood sugar levels effectively reduces the risk of such infections.

Taste Impairment

Diabetes can impair the taste buds, diminishing the ability to taste flavors, which can inadvertently affect dietary choices, potentially impacting overall health and glucose control.

Protecting Oral and Overall Health with Diabetes

Managing diabetes effectively and maintaining oral health requires a comprehensive approach:

While diabetes can pose several challenges to oral health, effective management of your condition, plus good dental care practices, can significantly mitigate these risks.

If you have diabetes or prediabetes and are concerned about your oral health, don't hesitate to book an appointment for personalized advice and treatment options.


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