Eating with Braces Foods to Avoid Eat a low sugar diet. Do not bite. Only consume small pieces of chips. Eat lots of fruits and vegetables but cut into small pieces. Sugarless gum only, no bubblegum whatsoever. Do not eat beef jerky. Do not chew ice. Do not chew on pens or pencils. Cut bread crusts and pizza crusts into small pieces. Do not eat the kernels in popcorn. Do not eat nuts. Cut meats from the bone.