Many people encounter difficulty brushing or flossing crooked teeth. And, an inability to clean your teeth increases your vulnerability to cavities. That means extra hours at the dentist. When you straighten your teeth, you’ll be able to save more money over time because you don’t have to worry about cavities. Try Beam clear aligners. The secret to our clear aligner performance is Zendura FLX. This premium material has an elastomeric inner layer encased in the unique dual shell construction.