[header] How to remove yellow between the teeth [title] Floss. [step] You might accumulate yellow matter between your teeth if you are not flossing regularly. Flossing can instantly remove a lot of the build-up between your teeth that causes discoloration. 
Make sure to make flossing part of your daily routine. [substeps] Use a good amount of floss-it should be about 18 inches in length.