The Supersmile® Crystal Collection features a slim, lengthened Lucite handle, ergonomically shaped with a series of indentations to guide handpositioning to the ADArecommended 45° brushing angle, as well as 5 tufted rows of soft, rounded nylon bristles. These elements of unique and improved design yield the softest, most thorough brushing experience yet. Gently massaging the gums and cleaning teeth, the Collection reaches delicately beneath the gumline (the sulcus) where plaque accumulates and causes decay. A flat bottom also enables each brush to stand upright for hygienic