Eating can be difficult at the beginning as the teeth are tender for a week or two after starting of the treatment. It is best to have very soft foods that do not require chewing. As you get used to the brace, you will manage to have a more normal diet. However you will always have to avoid biting into hard chewy or sticky foods (eg. nuts, toffee, whole carrots) because they are likely to break the brace. You can have most things as long as you make it easier to eat by cutting it into small pieces. Fizzy or acidic drinks (including natural juices and sparkling water) and sugary snacks need to be avoided because they dissolve enamel and cause tooth decay.