* Super-tapered penetrate into gingival sulcus: The super-tapered bristles design can penetrate into narrow crevice between teeth and gums; it is 10 times more effective in removing plaque when compare with rounded bristles.
* Gentle on the gums: Super-tapered bristles is made by super soft PBT material, its texture is soft and comfortable, deep clean but less 67% gum pressure when compare with rounded nylon bristles, complete gum care.