As someone who is, basically, a carnivore (I love meat. I like meat) I find myself stand on the agreement side of question. I think it would be advantageous if we can replace our teeth once in a year, no? especially for eldery people who's gradually having difficulty munching solid meal. The difficulties will be lies on our system. I'm thinking it'll be quite costly to maintain oral health. Though, it'll be sufficient to prevent further oral problem (such as decay tooth, etc). But, imagine how long we will wait for our turn to change teeth or how much cost we have to spend to have a good quality teeth?