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.
Representation of one of the cases included in the questionnaire; (top) pretreatment intraoral photographs; (middle) digital simulation (ClinCheck®) at the end of the first sequence of the aligners; (bottom) intraoral photographs after the first sequence of aligners.
