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A healthy Dolphin will have creamy white teeth, although the do stain to various shades of brown and grey as they age.
they get stained with tar wich is a dark brown stain. your gums start decaying also.
the sticky brown substance in a cigarette is tar.
food most likely wont change the colour of your teeth but drinking coffee will stain your teeth and make it a kind of brown-ish colour.
By drinking it occasionally it doesn't have much effect but if you drink a couple bottles daily, your teeth can turn yellow/brown and rot.
Amoxicillin does not stain your teeth. Tetracycline group of antibiotics do stain your teeth. So they are contraindicated in pregnancy and for children below eight years of age.
Absolutely not!!!! Blood cannot stain your teeth!!! I'm a dental hygienist!
Stain them.
yes
Coffee
Chocolates are sweets, but it's good enough to spoil your teeth. When we eat chocolate, It sticks to the teeth and at the end it turns into cavities. But after eating chocolate, if we do the brush, then it's not harmful at all.
yes but not hurt your teeth