We adopted Eddie when he was already 11 years old and had literally been thrown out into the street when a family sadly lost their home due to foreclosure. He was outside trying to survive for a few weeks before someone contacted us to see if we could foster him. We immediately took him to our vet, who told us that he had really bad teeth and that some of them needed to be pulled. They did the best they could to clean up his "yuck mouth" but said that he would probably have dental/mouth problems the rest of his life.
My son, 3 at the time, fell in love with Eddie and so of course we kept him. He has been on a soft diet and is doing well. We love our Old Eddie Cat.