There are several different types of fixed braces. It involves the fixing of small brackets to each of the teeth, which may need tilting, rotating, intruding or even extruding.
Ceramic Braces are made from a white ceramic material so that they are not as noticeable. From 1 meter away you would never be able to notice them. Again there are no limitations.
Depending on you specific problem you may need to wear aligners or braces from any time between 6 month to 2 years .The duration of treatment for each case will be determined at the planning stages so that you will be able to decide on the best time for your treatment to commence.