2015-04-09Assessment of Whiteness and Yellowness of Teeth

An experimet for the research project of collecting data about perceptual whiteness and perceptual yellowness of teeth which managed by University of Leeds is conducted recently at TASCII.  The data of Chinese people will be used to quantify the performance of various metrics – including the previously published WIO whiteness index. The aim of this project is to replicate the study in five locations globally, these being UK, India, USA, Brazil and China.