Oral-B Charcoal Extract Cavity Defense Medium Toothbrush is designed to provide effective cleaning and cavity protection for your teeth and gums. It features medium bristles and is infused with charcoal extract for a unique brushing experience. Charcoal Extract: The toothbrush is infused with charcoal extract. Charcoal has adsorbent properties, which means it can help remove surface stains from the teeth and provide an extra level of cleaning. Additionally, charcoal-infused bristles may aid in removing plaque and impurities from the oral cavity. Medium Bristles: The toothbrush is likely to have medium bristles that provide a balance between gentle cleaning and effective plaque removal. The medium bristles effectively clean the teeth and gums without being too harsh on sensitive oral tissues. Cavity Defense: The toothbrush is designed to aid in cavity defense by effectively removing plaque and food debris from the teeth, helping to prevent cavities and maintain good oral hygiene.