This is the correct way to use an interdental brush.

This is the correct way to use an interdental brush.

Bend the toothbrush at a right angle and the spaces between the teeth and You can use it by gently inserting the interdental brush while keeping it horizontal.

​ You can brush by pushing outward from the gums, as if you are cleaning the surfaces between your teeth.

​ If it is a narrow area where an interdental brush cannot easily reach, it is recommended to use dental floss.