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.
Oliveira NV, Tou GAA, Silva RS, Rezende SE, Pretti H, Macari S.Oliveira NV, et al. Among authors: pretti h.Braz Dent J. 2020 Jan-Apr;31(2):190-196. doi: 10.1590/0103-6440202003040.Braz Dent J. 2020.PMID: 32556020Free article.