Clean hard-to-reach surfaces. Super Tip. Dome-Trim bristles clean below the gumline. Multi-level cleaning action for healthy teeth and gums. 1. Raised center bristles gently clean below the gumline. 2. Green Super Tip bristles clean hard-to-reach areas. 3. White bristles clean the tooth surface and massage gums. 4. Slender neck allows for more comfortable reach to all areas of the mouth. Butler Gum Toothbrushes are dispensed by periodontists, dentists who specialize in the treatment of gum disease.