LION DENT.EX Interdental Brush M, 4 pieces [Oral Care] Set of 2 Made in Japan. "DENT.EX Interdental Brush" features a new tapered nozzle, super-alloy wire, and a 110° angled neck handle. This design makes it easy to maneuver, especially from just below the contact point of the teeth to the lingual and palatal cervical areas, which are difficult to care for. It enables accurate plaque control in the interdental spaces.