Dental scaler: Get an electric sonic dental scaler. Designed to: Also known as a plaque scraper, it can help remove hardened plaque from between your teeth. Waterproof: Handy waterproof design. Cleaning head: Includes a professional grade alloy metal cleaning head for a superior clean. Sonic design: With high frequency vibration to aid with plaque removal in hard to reach areas. Ideal for: Removing built up and hardened plaque from between your teeth for better oral health. | Sonic Tooth Stain and Plaque Remover | Wowcher