Oral B UltraThin Gentle Gum Care toothbrush is Extra Soft with 20X thinner and flexible bristle tips.^ It has a small 25mm head that cleans your molar area and UltraThin bristles with 0.01mm tips that reaches up to two times deeper between your teeth.
^vs. regular, flat trim bristles. Based on laboratory testing.

Features and Benefits
-with 20X thinner bristle tips^
-<0.01mm tips:
Designed for deep clean
Ultra Slim Tip:
-2x more flexible bristle tips^
25mm small head:
-Effectively cleans molar area
-UltraThin bristles reach up to 2x deeper between teeth^ vs. regular, flat trim bristles. Based on laboratory testing.