Figure 2. (a) Cleaned human permanent teeth ready to conduct an experiment. (b) A non-carious human sound incisor from which wafer was made

From

The Study of the Electrochemical Deterioration of Human Teeth in Oral Cavity and the Role of Saliva

Nathan Meka, Assefa Sergawie, Khalid Siraj

Journal of Materials Physics and Chemistry. 2013, 1(3), 45-50 doi:10.12691/jmpc-1-3-4