Extra fine soft brush oral b ultra thin pro gum care extra soft is thinner than 0.01 mm specially developed for deep and yet delicate tooth cleaning and removal of dental plaque and food debris. Unique, twice more flexible bristles help to clean hard to reach areas and penetrate deep into the interdental spaces and under the gums where there is a risk of dental plaque. The brush effectively cleanses the teeth along the gum line. Extremely soft fibers are gentle on tooth enamel. Also advantageous is a small 25 mm long brush head for comfortable operation that effectively cleans the wider face of the stools at the back of the mouth.Product Features: Brand: Oral-BType: ToothbrushEAN-13: 3014260094430Hardness of Bristles: Extra SoftDetermination: For sensitive teethBrush Type: ClassicDetails: Ultra thin fibers less than 0.01 mm for deep cleaning. Twice more flexible bristles for cleaning hard to reach areas. Effective cleaning along the gum line. Soft, dental friendly glass fibers. Small brush head 25 mm long.