Well at least the entire top half has been removed and i find a limited amount of foods to eat.
I reckon this is a question you should ask your dentist
First of all, you should have asked your Dentist all the questions you had in mind instead of asking yahoo (It's part of his job to answer all of your questions). Second, your Dentist might have giving you an instruction sheet if you check?
Avoid chewing on that side for a few days to give it some time to heal.
Keep a soft diet : oatmeal, soups, salads. Avoid crunchy cereals and nuts.