As oral health takes on growing importance within broader public health strategies, data-driven insights are becoming essential for shaping effective policy and clinical practice. In this interview, Dental Tribune International speaks with Dr Liu Yi, director of international communication at the Chinese Stomatological Association and clinical professor at Peking University School of Stomatology in China, about China’s involvement in FDI’s Oral Health Observatory (OHO) project. Dr Liu discusses how the initiative complements existing national oral health data and shares key insights emerging from China’s participation in this global effort to standardise oral health data.