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.
(A) Slice-by-slice analysis of volume loss before and after alignment of a representative sample. (B) Slice-by-slice analysis of C1 and C2 composite restorations from a representative sample reveals similar shrinkage profiles, with large volume loss at the top, some loss occurring along the walls, and an additional spike in shrinkage at or near the bottom of the sample.
