SToothbrush Oral-B Crossaction Soft has a different color (2 pieces). Gum Massaging bristles - outer angled bristles gently massage and stimulate your gums and help clean along the gum line (Orthodontic Toothbrush) Systema OD Toothbrush features V shaped bristles to remove plaque around wires, braces, and teeth. Two levels of bristles designed for specific purposes. Inner special V-trimmed bristles to maneuver around braces and wires. Outer soft & slim bristles perfect for cleaning your teeth and along the gumline with no irritation. Available in 2 sizes ? Small & Medium Brush Head. Handle made of Elastomer material gives greater comfort and control.