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There are many causes. The most common include aging and consumption of staining substances such as coffee, tea, colas, tobacco, red wine, etc. During tooth formation, consumption of tetracycline, certain antibiotics or excessive fluoride may also cause tooth discolouration . ... more
toothwhiteningaustralia.com.au
/tooth-whitening-faq.php
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rank
2
2
people like
this answer
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There are many causes. The most common include aging and consumption of staining substances such as coffee, tea, colas, tobacco, red wine, etc. During tooth formation, consumption of tetracycline, certain antibiotics or excessive fluoride may also cause tooth discolouration . ... more
toothwhiteningaustralia.com.au
/tooth-whitening-faq.php
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