An official website of the United States government
Here's how you know
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.
Changes in the Angulation of Mandibular Third Molars Compared to the Long Axis of Adjacent Second Molars During Orthodontic Treatment Compared by First or Second Premolar Removal or No Premolar Removeda