Stiffened end to floss under appliances. Spongy-floss to clean around appliances and in wide spaces. Regular floss to help remove plaque under gumline. Use an up-and-down motion to remove plaque. Regular teeth: Gently slide regular floss between teeth and under the gumline. Clean under the gumline as directed above. Allows you to floss under appliances. Cleans around appliances and between wide spaces. 100 pre-cut strands. Mint flavor.