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.
Specimens of experimental light-curing composite material (ECM).
| ECM 0 | ECM 0.5 | ECM 1.0 | ECM 1.5 | ECM 2.0 | ECM 2.5 | ECM 5.0 |
|---|---|---|---|---|---|---|
| ECM control group | ECM + 0.5 wt% CaF2 | ECM + 1.0 wt% CaF2 | ECM + 1.5 wt% CaF2 | ECM + 2.0 wt% CaF2 | ECM + 2.5 wt% CaF2 | ECM + 5.0 wt% CaF2 |
