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.
Shokri A, Eskandarloo A, Noruzi-Gangachin M, Khajeh S.Shokri A, et al. Among authors: khajeh s.Restor Dent Endod. 2015 Feb;40(1):58-67. doi: 10.5395/rde.2015.40.1.58. Epub 2014 Nov 13.Restor Dent Endod. 2015.PMID: 25671214Free PMC article.