Discreet size for patients on the go. Oval shape and thumb grip provide better roll and easy 360° manipulation. The Oral-B Compact Interdental brush facilitates access to all interproximal spaces for patients with bridges and/or braces. • 3.0–6.5 Conical • 180-degree brush-head mobility • Sliding hinge system • Unique snap-lock • Compact, portable design • Unique snap-lock