Using straw for your beverages can also help your teeth not to get in touch with your drink. When you are using a straw to drink something you don’t allow your drink to come in contact with your teeth which further protects your teeth from getting some problem like stain in your teeth and tooth decay and sensitivity which would not only cause problems in your teeth but also makes your smile look bad. Using straw can protect your teeth from the bacteria that are there in the your drink which will make your teeth get stains and look bad. When you use straw to drink something your drink does not effects your teeth but it gets directly inside your body without even touching your front teeth.