The Oral-B Pro Cross Action Toothbrush Heads receive overwhelmingly positive feedback for their effective plaque removal and clean feel. Users appreciate the angled bristles that reach difficult areas and the color-changing feature, which helps track when to replace the heads. Many note a noticeable improvement in oral cleanliness and freshness. The design is praised for being firm yet gentle on teeth, ensuring a thorough yet comfortable brushing experience. With no significant drawbacks reported, these brush heads are highly recommended for those seeking a reliable and innovative oral care solution.