Study: Soda and fruit juice are 'biggest culprits in dental erosion'

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12 May 2015 --- Soft drinks are the most significant factor in severity of dental erosion, according to a new study published in the Journal of Public Health Dentistry. In addition, the study, which looked at the teeth of more than 3,700 participants, found that nearly 80% of them had some level of dental erosion.

Of this 80% the participants with the most severe erosion consumed more soft drinks and fruit juices than others in the group. For those with very little damage the researchers found that milk was a more popular drink than other soft drinks. 

Dental erosion is when enamel - the hard, protective coating of the tooth - is worn away by exposure to acid. The erosion of the enamel can result in pain - particularly when consuming hot or cold food - as it leaves the sensitive dentine area of the tooth exposed.

The enamel on the tooth becomes softer and loses mineral content when we eat or drink anything acidic. However, this acidity is cancelled out by saliva, which slowly restores the natural balance within the mouth. But if the mouth is not given enough time to repair itself - because these acid attacks are happening too often - the surface of the teeth is worn away.

Anything with a pH value (the measure of acidity) lower than 5.5 can damage the teeth. Diet and regular sodas, carbonated drinks, flavored fizzy waters, sports drinks, fruit and fruit juices are all known to be harmful to teeth if they are consumed too often.

Study finds that a 'substantial proportion' of adults have dental erosion
The study finds that a substantial proportion of adults show some evidence of dental erosion, with the most severe cases being among people who drink sugary soft drinks and fruit juices.

Examining 3,773 participants, the researchers found 79% had evidence of dental erosion, 64% had mild tooth wear, 10% had moderate tooth wear and 5% displayed signs of severe tooth wear. The participants in the study with moderate and severe tooth wear consumed more soft drinks and fruit juices each day than the other groups.

Among participants with lower levels of tooth wear, the researchers found that milk was a more popular drink than soda or fruit juice.

Men were also found to be at twice the risk for dental erosion as women, and tooth wear became more severe with age among the participants.

Commenting on the study, Dr. Nigel Carter OBE, chief executive of the British Dental Health Foundation, says that while fruit juice may be a nutritious drink, the high concentrations of sugar and acid can lead to severe dental damage if these drinks are consumed often each day.

"Water and milk are the best choices by far, not only for the good of our oral health but our overall health too," says Dr. Carter. "Remember, it is how often we have sugary foods and drinks that causes the problem so it is important that we try and reduce the frequency of consumption."

He adds: "Dental erosion does not always need to be treated. With regular check-ups and advice your dental team can prevent the problem getting any worse and the erosion going any further. The more severe cases of tooth wear can often result in invasive and costly treatment so it is important that we keep to a good oral hygiene routine to make sure these future problems do not arise."

Many sodas and fruit juices contain at least six teaspoons of sugar, and as they often come in portions 

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