Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean depth of erosions for various demineralization times as measured using dye enhanced microscopy and polarized microscopy.
| Demineralization time (h) | Depth of erosion (dyestain microscopy) (μm) | Depth of erosion (polarized transmission microscopy) (μm) |
|---|---|---|
| 1 | 18.3 | 23.5 |
| 2 | 29.6 | 34.7 |
| 4 | 38.8 | 37.3 |
| 6 | 52.2 | 53.1 |
