Crooked teeth make it harder for us to brush all surfaces of our teeth. For this reason, food and sugar will remained between two teeth. Obviously, it will lead you to periodontal disease, and also may usually cause a lot of health issues in the early future. Invisible braces is one of the best answers to fix your crooked teeth which we call it “Invisalign” treatment. You can see the result even in 3 months after wearing Invisalign trays, but it would depends on how crooked your teeth is.