The most effective aid for the complete cleaning of interdental spaces. Interdental brushes should ideally be used once a day and without toothpaste. Evening use has proven to be the best, directly before brushing your teeth. 1 pack contains 6 interdental brushes available in various sizes: Bristles - size 0 0.4 mm Bristles - size 1 0.45mm Bristles - size 2 0.5mm Bristles - size 3 0,6mm