Invisible braces also called clear aligners are a transparent set of trays that are teet shaped and restores the slight misalignment of the teeth. Crooked teeth that do not fit together correctly are harder to keep clean and are at risk for tooth decay and gum disease. It is a plastic form of a teeth that works for the adjustment of the teeth but in transparent form. Each aligner is worn for 20 hours a day for two weeks. These slowly move the teeth into the position agreed between the orthodontist or dentist and the patient.