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.
Lewandowski B, Myszka A, Migut M, Czenczek-Lewandowska E, Brodowski R.Lewandowski B, et al. Among authors: brodowski r.BMC Oral Health. 2021 Jan 15;21(1):31. doi: 10.1186/s12903-021-01391-9.BMC Oral Health. 2021.PMID: 33451310Free PMC article.