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Monday, October 27, 2008News

Fluorine, yes ? but not too much!

© Thierry Planche - fotolia.com

Is fluorine needed in toothpastes? Yes, some experts say; it is the only active ingredient known to prevent cavities. Not necessarily, other experts answer; too much fluorine may lead to a teeth disease, fluorose, which gives white or yellowish marks on teeth. We do have many occurrences when we are in contact with this substance, through some food or kitchen utensils…

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The debate about the relevance of fluorine in toothpastes is not near an end. It is based on two questions.

Are there other means to prevent cavities than fluorine?

In cosmetics, in fact, there are other active ingredients known to fight efficiently the dental plaque (a "nest" for cavities). Among them:
• xylitol
• propolis
• anise essential oil

When an adult may have a perfect mouth hygiene, thanks to thorough brushing (at least for three minutes) after every meal with different kinds of toothpastes, fluorine seems to be essential for children, especially when they do not yet know the technical movement involved to use a toothbrush.

Are we at risk of getting an overdose of fluorine?

Obviously, it depends on the environment in which one lives, on the water one drinks, on food … Nevertheless, the risk seems almost negligible. However, the sanitary authorities think about it and have issued some safety rules.

The fluorine content is set after the law, depending on the age or on the kind of toothpaste (which may be considered as a cosmetic product or a medicine). Maximum concentrations have been set for every case. It is up to the user to comply with …

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