Table 5. Mean and standard deviation of the surface roughness of VITA MFT® before and after air abrasion (unit: µm).
| Before air abrasion | After air abrasion | |
|---|---|---|
| Mean ± SD | 0.26 ± 0.04 | 0.20 ± 0.03 |
SD: standard deviation
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.