You can smile with confidence with the toothbrush The toothbrushes multi-angle cross-bristles give a deep interdental clean The soft tongue cleaner gently removes odour-causing bacteria The flexible neck gives you added comfort and is gentle on your gums Dentists and hygienists recommend replacing your toothbrush every 3 months The Colgate Zig Zag Toothbrushes has been designed to give you a thorough clean with cross bristles that reach deep between your teeth. The manual toothbrushes cleans your teeth, tongue, cheeks and gums for a healthy mouth. The toothbrushes also have a flexible neck for added comfort when brushing.