If You Lose A Toenail Will It Grow Back How Is It A Dog Can Never Brush Its Teeth And Have Clean Teeth But We're Forced To Clean Ours Everyday?

How is it a dog can never brush its teeth and have clean teeth but we're forced to clean ours everyday? - if you lose a toenail will it grow back

Not that this is a matter of convenience, not questioned. My question is why cleaning a dog or a cat, indeed, through life without their teeth, but we are not only every day, but at least twice a day?

It is possible that their response to the food they consume, so why not have the same results in our food? Why are brushing your teeth, and what is more, as you eat the worst things and still perfectly clean teeth?

Why do scientists have focused more on the teeth? If you look at another part of the body, rejuvenates the body, almost everything except the teeth. If your teeth are bad, destruction, etc. .. That's all, its over. But it lackss hair, you can win again if you have a toenail that start to grow back, will cut the skin again ... Everything except the teeth, teeth, what happens is that the people most important shows.

It is perhaps the greatest man in the world dared to, but if you have your teeth in order, a chance ...

You could have a six-pack, perfect hair, perfect body, but they have bad teeth and the people despise you. They have less of a chance ...

So why not on Earth, scientists are focusing more on the teeth? If a dog can food, cleans the teeth and eating, eliminating the need to brush your teeth to why we can not do the same?