Oral-B Superfloss Threader 3-in-1 Dental Floss Oral-B Superfloss Threader 3in1 is ideal for cleaning between teeth, especially for those with braces, bridges, or larger gaps. The reinforced end makes it easier to insert into tight spaces. The combination of soft and regular floss fibers promotes thorough oral hygiene. Features Suitable for cleaning braces, bridges and wide gaps between teeth. Reinforced end for easier insertion A combination of soft and regular dental floss for the best care Instructions for use Using the reinforced end, gently guide the fluffy dental floss between your teeth or under dental appliances. Back-and-forth movements help remove plaque.