Invisalign uses a custom-made series of teeth aligners created specifically for you, giving you a new, more modern approach to strengthening your teeth. Invasalign users can wear these near-plastic approach to strengthening your teeth. Invisalign users can wear these near plastic trays over your teeth, which will gradually move your teeth into place based on the movements that are planned out for you. There is nothing intricate about them. Just simply insert a new set in every two weeks until treatment is complete.