An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Anttila A, Finne K, Keski-Nisula K, Somppi M, Panula K, Peltomäki T.Anttila A, et al.Eur J Orthod. 2004 Aug;26(4):391-5. doi: 10.1093/ejo/26.4.391.Eur J Orthod. 2004.PMID: 15366383
Deleurant Y, Zimmermann A, Peltomäki T.Deleurant Y, et al.Orthod Craniofac Res. 2008 Aug;11(3):172-9. doi: 10.1111/j.1601-6343.2008.00427.x.Orthod Craniofac Res. 2008.PMID: 18713154Free article.