Erosion is the loss of tooth enamel caused by acid attack. Enamel is the hard, protective coating of the tooth, which protects the sensitive dentin underneath. When the enamel is worn away, the dentin underneath is exposed, which may lead to pain and sensitivity.


How do I know I have dental erosion?


Erosion usually shows up as hollows in the teeth and a general wearing away of the tooth surface and biting edges. This can expose the dentine underneath, which is a darker, yellower color than the enamel. Because the dentine is sensitive, your teeth can also be more sensitive to heat and cold, or acidic foods and drinks.


What causes dental erosion?


Every time you eat or drink anything acidic, the enamel on your teeth becomes softer for a short while and loses some of its mineral content. Your saliva will slowly neutralize this acidity in your mouth and get it back to its natural balance. However, if this acid attack happens too often, your mouth does not have a chance to repair itself and tiny bits of enamel can be brushed away. Over time, you start to lose the surface of your teeth.


Are there any medical problems that can cause dental erosion?


Bulimia is a condition where patients make themselves sick so that they lose weight. Because there are high levels of acid in the vomit, this can cause damage to tooth enamel.


Acids produced by the stomach can come up into the mouth (this is called gastroesophageal reflux). People suffering from hiatus hernia or esophageal problems, or who drink too much alcohol, may also find they suffer from dental erosion due to vomiting.


Can my diet help prevent dental erosion?


Acidic foods and drinks can cause erosion. Acidity is measured by its ‘pH value’, and anything that has a pH value lower than 5.5 is more acidic and can harm your teeth.


Fizzy drinks, sodas, pops and carbonated drinks can cause erosion. It is important to remember that even the ‘diet’ brands are still harmful. Even flavoured fizzy waters can have an effect if consumed in large amounts, as they contain weak acids that can harm your teeth.


Acidic foods and drinks such as fruit and fruit juices – particularly citrus ones like lemon and orange – contain natural acids which can be harmful to your teeth, especially if you have a lot of them often.


‘Alcopops’, ‘coolers’ and ‘designer drinks’ that contain acidic fruits and are fizzy can cause erosion too.


Plain, still water is the best drink for teeth. Milk is also good because it helps to neutralize the acids in your mouth.


Are sports drinks safe?


Many sports drinks contain ingredients that can cause dental erosion as well as decay. However, it is important for athletes to avoid dehydration because this can lead to a dry mouth, tooth decay, and bad breath.


What can I do to prevent dental erosion?


There are a number of things you can do:


• Have acidic food and drinks, and fizzy drinks, sodas, and pops, just at mealtimes. This will reduce the number of acid attacks on your teeth.

• Drink quickly, without holding the drink in your mouth or ‘swishing’ it around your mouth. You can also use a straw to help drinks go to the back of your mouth and avoid prolonged contact with your teeth.

• Finish a meal with cheese or milk as this will help neutralize the acid.

• Chew sugar-free gum after eating. This will help produce more saliva to help neutralize the acids which form in your mouth after eating.

• Wait for at least one hour after eating or drinking anything acidic before brushing your teeth. This gives your teeth time to build up their mineral content again.

• Brush your teeth last thing at night and at least one other time during the day, with fluoride toothpaste. Use a small-headed brush with soft bristles.


How can it be treated?


Dental erosion does not always need to be treated. With regular check-ups and advice, your dental team can prevent the problem from getting any worse and the erosion from progressing. If a tooth does need treatment, it is important to protect the enamel and the dentin underneath to prevent sensitivity.


Usually, simply bonding a filling onto the tooth will be enough to repair it. However, in more severe cases, your dentist will discuss options with you, like veneers or crowns.

How much will treatment cost?


Costs will vary, depending on the type of treatment you need.


As well as using fluoride toothpaste, your dental team may suggest you use a fluoride-containing mouthwash and have a fluoride varnish applied at least every six months. They may also prescribe a toothpaste with more fluoride in it.

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