Researchers have found that chocolate can prevent damage to the tooth. This was so successful in combating decay that scientists believe are several components that may one day be added to mouthwash or toothpaste.
Studies conducted by researchers at Osaka University in Japan found that parts of cocoa beans, the main ingredient of chocolate, thwart mouth bacteria and tooth decay.
They found that the skin of cocoa beans - the exterior of the bean which usually goes to waste in chocolate production - has anti-bacterial effect in the mouth and can fight effectively against plaque and other harmful agents.
Tooth decay occurs when bacteria in the mouth turned into acid, which damages the surface of the teeth and cause caries.
Japanese scientists have discovered chocolate which is not less harmful than many other sweet foods, as antibacterial agents in cocoa beans offset high levels of sugar.
After three months, this study found that the rates with a high sugar diet had 14 holes on average, compared with only six cavities for those who received skin beans in their diet.
The researchers now plan to test their findings in humans. Speaking to New Scientist magazine, Takashi Ooshima, from Osaka University, say their findings could lead to new treatments for tooth decay.
"It is possible to use mouthwash CBH extracts, or supplements for a toothpaste."
Can even be put back into chocolate to make better for the teeth, he said
"They certainly have an effect but good oral hygiene, rather than eating lots of chocolate, is the way to good healthy teeth."
British Dental Association spokesman said: "If it's true that chocolate does not help reduce tooth decay and cavities that can only be a good thing, but you must remember that chocolate contains sugar.
"Our advice remains the same: if people want to eat sweet candy and drinks they should limit it, and visit the dentist regularly."
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