Dizzy Bird

My rabbit had an operation today as his teeth are causing problems. They grow wrong and don't wear down naturally. They cause problems with his tear ducts and they grow slightly too long into his skull. I now have two options - treat him with operations and antibiotics for the rest of his life or have him put to sleep. I have been told some people do treat them but I think the vet leans towards putting him down. Does anybody know anything about this? Is it painful for the little guy? Should I try to prolong his life, or at least til I just can't do it financially anymore or should I let him go. It is a horrible decision to make - I really am attached to him and don't really know anything about this. I have only had him a few months trying to help a friend out so am not very experienced with rabbits.

What is the name of the tattoo - or word really, that can be read as a different word when viewed from upside down? I met somebody who had one that said love but upside down said hope.

I have an English Pointer. He is great with people and other dogs, has never shown any signs of aggression etc. A friend has just asked me to take their rabbit in - it's a house rabbit and has never been outside. I am assured it is friendly and has lived with a big dog before with no problems. Any advice - my dog is obviously my priority so if there's problems the rabbit will have to go, but is there anything I can do to help them get along? I want to be able to help!