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Originally posted by TruthxIsxInxThexMist
Okay, to an extent, they are. Whilst nicotine or a constant stream of espressos aren't positive ways of staining your pearly whites, another cause of teeth yellowing is that they absorb fluoride. "Yellow teeth may have higher quantities of the mineral 'fluorapatite' - they may appear tainted but are still very healthy." That doesn't mean you should miss out on regular dental checks though. "Discoloured teeth should be checked because it could be decay or exposed dentine which can be very sensitive," adds Professor Eder.
So, it looks like we dont have to have shining white teeth after all for them to be in good shape.... mine are Ivory coloured and i think they look fine.... have a few fillings but thats from the sweets and smoking i used to do....
And Tooth Whitening Toothpaste is no good either according to Professor Eder:
Regularly using a whitening toothpaste can raise the risk of wearing away your tooth enamel," says Professor Eder. Just like a heavy-duty sander can wear away wooden floors. "It can be quite abrasive stuff. Home bleaching, however, supervised by a dentist, has 20 years of data to support its safety and is the most effective way of simply removing the surface stains without damaging the enamel tooth surface."