DenTek Slim Brush interdental brushes size ISO1 feature tapered and narrow bristles to help ensure they can clean in the tightest of gaps between teeth. The Slim brush ISO1/0.45mm sized brushes help remove food and plaque between teeth whilst supporting gum health.Interdental brushes remove more plaque than toothbrushing alone and dentists recommend daily interdental cleaning. Cleaning interdentally between your teeth will help you to reach the surfaces of your teeth a toothbrush cannot reach and remove plaque, a leading cause of tooth decay. Tapered fluoride coated brush narrows at the tip to comfortably enter extra tight spacesExpertly designed comfort wire that fits extra tight spaces comfortably Bends to create custom angles for easier access to clean between all teeth and bracesNon-slip flexible handle and soft grip for comfort and ease of use