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.
Particle size distribution of the three dental prosthetic grinding dust particles before and after fine milling.
| A-1 | A-2 | B-1 | B-2 | C-1 | C-2 | |
|---|---|---|---|---|---|---|
| < 5 μm (%) | 4.19 | 8.23 | 0.08 | 1.03 | 12.79 | 21.05 |
| 5–10 μm (%) | 1.57 | 4.3 | 0.62 | 2.37 | 12.74 | 21.25 |
| > 10 μm (%) | 94.24 | 87.47 | 99.3 | 96.6 | 74.47 | 47.7 |
A-1 PMMA, A-2 finely ground PMMA, B-1 Vitallium, B-2 finely ground Vitallium, C-1 porcelain, C-2 finely ground porcelain.
