The Oral-B Sensitive Clean toothbrush heads are replacements designed for your Oral-B 3D SENSITIVE CLEAN electric toothbrush. These brush heads feature a specialized tooth-by-tooth cleaning system with super-fine bristles that provide a gentle touch on your gums, while the regular bristles efficiently eliminate plaque. This Sensitive Clean brush is perfect for individuals with sensitive teeth, as its unique design helps to diminish gum irritation by as much as 100%.