Hamsters love to chew, and this constant gnawing normally helps keep their teeth at a healthy length. But if your hamster's teeth get too long, Ochoa said, you should never try to trim them at home.

When Danielle Amos’s hamster Lyra was poorly, the first thing she did was speak to her vet. Lyra had problems with her teeth, which the vet said would cost between £450 and £500 to remove. But ...