The American Association of Orthodontists (AAO) offers a great selection of videos and written materials to answer your orthodontic questions:

Problems to watch for in children (written material)

Problems to watch for in adults (written material)

Why an orthodontist? (video)

What to eat when you have braces (video)

Brushing and flossing when you're in braces (video)

Retainers keep your teeth from becoming crooked again (video)

Handling orthodontic emergencies (written material)

American Association of Orthodontists' Youtube channel videos

American Association of Orthodontists' Vimeo channel videos

American Association of Orthodontists' consumer information