Repair and make porcelain crown. But grind down the front teeth and wear a false crown.

Suggest the first plan, go to the orthodontics department of a good stomatological hospital.

Of course, if you use artificial limbs, you don't need orthodontics. Don't talk nonsense if you don't know.

It depends, it should be more than two years. We should not only correct it, but also keep it, otherwise it will rebound.