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.
Shamim T.Shamim T.J Int Soc Prev Community Dent. 2018 Jan-Feb;8(1):1-5. doi: 10.4103/jispcd.JISPCD_435_17. Epub 2018 Feb 22.J Int Soc Prev Community Dent. 2018.PMID: 29629322Free PMC article.Review.