1 type: 3700 heel bristles, tuft in tuft design, sixteen °angle arrangement, legitimate cleaning gum line, crevices and different aggravating to arrive areas2 care type: 4000 bristles, a circle of large smooth bristles at the outside, curved chopping of bristles, fitting teeth curve, right for sensitive teeth
An further four brush heads, which are not from the Oral-B model but of excellent quality,