Metal braces or stainless steel braces are traditional braces. This braces are the most widely used, generally the most economical option. Metal braces are very strong and can withstand most types of treatment. At first you may feel little bit pain after you have braces' control, but after a few week, they are not a problem anymore.
Most traditional metal braces require an elastic o-shaped rubber band, called a ligature to hold the arch wire onto the bracket. Metal brackets tend to be less expensive than other types of brackets. In addition, you can make them colorful with ligatures that come on a rainbow of colors.