I was thinking the other day about the fact that on avergae sharks have 3,000 teeth, and that every time they lose one the back teeth push forward and replace it. When I thought about our teeth, and how we only have one row of 'replacing teeth' and those are our adult and baby teeth, I thought that wouldn't it be great if we could grow another tooth, if we lost our adult teeth? I do admit alot of dentists might be out of jobs, but is is even possible?
What obstacles would one have to battle to find a way for the body to regenerate the growth of a replacement tooth???
2007-10-09
12:28:30
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4 answers
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