How long does the teething period last in puppies that will grow up to be big dogs?

Mikey asked: My Hungarian Vizsla puppy is at the teething stage and he is biting everything!!!

A dog that visit hospices, elderly peoples homes etc?We have a very loving and very affectionate choc lab boy. He is done, house trained, capitulation trained and only just 9 months old.I would love to hold him become one of those dogs that visits hospitals, hospices, old peoples homes, children’s homes etc as he really…A [...]