Initially, you may experience some discomfort on your cheeks and lips from the new brackets rubbing against these areas. Your soft tissues will need a bit of time to get accustomed to these sensations, and you may have some temporary ulcers. To prevent this, you can use some ortho wax to cover the bracket which acts as a barrier and creates a smoother surface. Identify which bracket is causing the ulcer, and take a small amount of wax, rubbing it between your fingers to shape into a ball. Apply the wax around the bracket and press into place – try to cover it fully over the top and bottom of the bracket.