Invisalign and uLab are a series of clear overlay templates—called aligners—that have been generated by computer simulation to gradually move the teeth.
Ceramic braces are made of translucent (clear) material. They are most popular with adult patients, due to their cosmetic appeal. The only drawbacks to ceramic brackets are that they are more fragile, and the elastic ties can discolor between orthodontic visits.
Metal braces are the most common type. They are made of high-grade stainless steel. Today's metal braces are smaller, more comfortable and more attractive.