Diseases that can lead to Tooth Decay

All parts of the body are interdependent and affect each other. Your teeth are no exception. Tooth decay can be the result of something other than just poor oral hygiene.

Tooth decay may be a warning sign of something much more serious in the body. Here are some of the diseases that commonly cause tooth decay. If you suffer from any of these conditions, it is important that you discuss them with your dentist.


Whether you have type I or type II diabetes, your blood sugar levels are elevated due to low insulin levels. This affects many parts of the body, including the mouth.

One of the most common symptoms of diabetes is a dry mouth. Saliva is necessary to protect your teeth against the bacteria that cause tooth decay. Not having enough saliva can leave your teeth are more vulnerable, and increasing your likelihood of developing cavities and gum disease.

Gum disease further causes blood sugar levels to rise, which can make the diabetes more severe. So, the diabetes – oral health cycle needs to be addressed as soon as you spot the symptoms.

Autoimmune Conditions

Autoimmune conditions are caused when the the body attacks parts of itself. One autoimmune disease that can impact the mouth is Sjögren’s syndrome.

Sjögren’s syndrome patients have less than adequate amount of saliva in the mouth, which has the same effects we described earlier with diabetes. In extreme cases, patients may not even produce saliva at all.

People with Sjögren’s may need to visit the dentist more frequently to watch out for and treat tooth decay.

Anorexia and Bulimia

Anorexia and bulimia are eating disorders that result from extreme fear of becoming overweight.

Both conditions affect your teeth because the body is deprived of the essential nutrients required for maintaining good oral health and preventing tooth decay.

Bulimic patients binge eats and then vomit. This leads to the acids (that break down your food) to destroy the tooth enamel, and cause tooth decay. Bulimia can also cause bad breath, swollen glands, and worn-down teeth.

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