Product detailsFor cleaning in tight spaces where food gets trapped? under dental bridges? implant? braces and more.Stiffened plastic threader guides the brush between teeth? under bridgework? braces and around implants.Brush removes and sweeps out food particles and plaque from between teeth? under bridgework? braces and around implants.DirectionsFloss? then brush between teeth for everyday removal of plaque.If desired? add water? toothpaste or medications recommended by your dentist.