There are some numbing gel for your teeth when you first get your braces. When I first got mine I ate ice cream to relieve the pain a bit. Make sure you eat soft foods since it can very much hurt eating hard foods. Gum massages also help a lot ! Hope this helps :D
Answer:
Treatment involves stopping the bleeding, cleaning and dressing the wound.
I think it would be "apply pressure" because that's one way to stop bleeding.