4.1. Analysis.
Comparison 4: Upper clear plastic (CP) + lower fixed canine‐canine (CTC) versus upper CP + lower interproximal reduction (IPR) (stripping) vs positioner, Outcome 1: Stability: upper irregularity index
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.