What is the best teeth whitening kit overall? Teeth whitening strips have been around for a long time, but there are some kits out now that do it a little bit better. From sensitive teeth to ...
Specifically, we tested whether their shape was an optimal balance between two competing needs related to tooth function. First, being sharp and slender enough to puncture prey effectively. Second, ...
The ability to grow replacement teeth could one day be a reality. With the discovery of adult stem cells in teeth, say scientists, there is every reason to believe tooth regeneration is possible.