The revolution in ozone-based caries treatment moves forward: healOzone paved the way for highly effective, pain-free caries and root canal treatment with ozone, and the success story continues. The newest generation of HealOzone – the healOzone X4 – can deliver higher ozone concentrations, taking disinfection in dentistry to a new level. Ozone has been used as a powerful disinfectant in medicine for decades. In fact, it is known as the ultimate disinfection chemical. The healOzone X4 now makes it possible to very successfully exploit the disinfectant properties of ozone in a wide variety of dental applications.