They don't.
Yes, both sharks and crocodiles can regrow broken or lost teeth throughout their lifetime. Sharks continuously shed and replace their teeth, while crocodiles have the ability to regrow their teeth when they are damaged or lost.
Get a tooth brush and tooth paste and there brush your teeth….DUH!!
teeth
you have to brush there teeth up and down
You have to brush any dog's teeth!
they use to brush thier teeth with chairs
It Forms When You Dont Brush Your Teeth. :) Keep Brushing Them,. :)
Brush your teeth or you will have cavities, bad breath, and gum disease.
Don't brush your teeth on a roller coaster.
All of the dead presidents do not brush their teeth...
crocodiles have 64 teeth twice as many as we have
No, they can't brush their teeth. Their arms were not made to brush their teeth. Eventually they died of gum disease or from starvation after their teeth fell out and now they're all dead. So, NO dinosaurs don't brush their teeth because they're extinct.