Micro-Pop-In Issues in Nanoscale Contact Deformation Resistance of Tooth Enamel

Figure 8

The minimal dependencies of (dh/dt) on time (𝑡) for the nanoindentation experiments conducted on tooth enamel at different loading rates of 10⁵, 10⁴ 𝜇N⋅s⁻¹, and 10³ 𝜇N⋅s⁻¹.