tufted floss

tuft·ed floss

(tŭf'tĕd flaws)
Combination of regular thin dental floss and a segment of a thicker, more yarnlike material. This tufted type is indicated for cleaning under crowns and bridgework, some types of orthodontic appliances, and where there are wide embrasures with missing interdental papillae.
Medical Dictionary for the Dental Professions © Farlex 2012