Invisible braces are an excellent option for adults with professional concerns of having braces. The braces are made of ceramic, are the natural color of teeth, and are barely noticeable. They are also more comfortable because the ceramic has softer curves for bracket shape. These brackets can require slightly more time for treatment as brackets sometime need replacing due to breakage. Overall, though, they are an excellent option for adults. Sometimes, braces can be placed on the inside of teeth surfaces, which is less efficient than being placed on the outside surfaces of teeth.