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.
Congdon LM, Tolle SL, Darby M.Congdon LM, et al. Among authors: tolle sl.J Dent Hyg. 2012 Summer;86(3):215-22. Epub 2012 Aug 27.J Dent Hyg. 2012.PMID: 22947844
Ryan DL, Darby M, Bauman D, Tolle SL, Naik D.Ryan DL, et al. Among authors: tolle sl.J Dent Hyg. 2005 Winter;79(1):9. Epub 2005 Jan 1.J Dent Hyg. 2005.PMID: 16197758
Hawn CC, Tolle SL, Darby M, Walker M.Hawn CC, et al. Among authors: tolle sl.Int J Dent Hyg. 2006 Feb;4(1):15-23. doi: 10.1111/j.1601-5037.2006.00163.x.Int J Dent Hyg. 2006.PMID: 16451435Clinical Trial.