oral-b glide pro-health threader floss 30 count oral-b glide floss threader makes flossing easy for people who have fixed dental bridges, orthodontic braces, or metal implants. the one-piece floss easily lets you position it around dental appliances. built-in threader tip inserts easily under bridges, braces, and implants. silky-smooth texture slides easily between teeth. effectively removes tough plaque between teeth and just below the gum line.