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The Common Diseases Linked To Tooth Decay

 You get one set of teeth that need to last you a lifetime. That’s a challenge but one that advancements in dental care have helped to make a reality for an increasing number of people.

 Of course, this is only possible when you brush your teeth twice a day, floss once, and see your dentist Marrickville at least once a year. In short, do your best to look after your teeth and they will look after you.

However, while this is true for many people, there are some medical conditions that increase the likelihood of tooth decay, despite your best efforts to avoid it.


It’s estimated that 1.2 million Australians have diabetes. This common disease happens when your body develops a resistance to insulin. This makes it difficult for your body to control blood sugar levels and your blood sugar is often elevated above what it would normally be.

The excess sugar can affect your teeth as sugar and bacteria mix to create an acid that attacks the enamel on your teeth. But, this is only one-way diabetes causes tooth decay. A common side-effect of diabetes is dry mouth. Saliva dilutes the acid in your mouth that attacks teeth. A dry mouth means a lack of saliva and no way to dilute the acid, increasing the damage caused to your teeth. 

Sipping water regularly can help to replace saliva but regular dental check-ups will be essential. 

Eating Disorders

The most common eating disorders are anorexia and bulimia but any eating disorder can increase the likelihood of cavities. The first issue is a lack of minerals to strengthen teeth and bones. This is because you’re not eating enough food to give your body the nutrition it needs.

Another major issue with eating disorders is excess stomach acid. When you pretend to eat you produce more acid which goes nowhere and can subsequently rise into your mouth, a condition known as acid reflux. 

If you’re actually throwing up food then you’re putting even more stomach acid in your mouth. This acid attacks your teeth, weakening them and increasing the risk of cavities. 

Autoimmune Diseases

When you suffer from an autoimmune disorder your body is effectively attacking itself. This weakens its natural defence systems and can cause damage to a variety of organs in your body. Alongside potentially damaging your kidneys, it can damage your salivary glands. This will reduce the amount of saliva you can produce and lower the protection your teeth normally enjoy.

As described already, a lack of saliva will allow the acid to attack your teeth for longer. The result is more tooth decay.

Take Action

Sipping water often can help to dilute acid in your mouth. You can also take steps and follow medical advice regarding your condition and minimise its effect on your life. In particular, if you have an eating disorder you need to get help dealing with it. 

Of course, you also need to visit your dentist regularly to ensure you get the best care possible. 

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