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.
Zhong Y, Li X, Hu DY, Mateo LR, Morrison BM Jr, Delgado E, Zhang YP.Zhong Y, et al. Among authors: hu dy.J Clin Dent. 2015;26(4):104-8.J Clin Dent. 2015.PMID: 26856016Clinical Trial.
Feng Y, Yin W, Hu DY, Zhang Y, Pretty IA, Ellwood RP.Feng Y, et al. Among authors: hu dy.Hua Xi Kou Qiang Yi Xue Za Zhi. 2008 Dec;26(6):607-10.Hua Xi Kou Qiang Yi Xue Za Zhi. 2008.PMID: 19186852Chinese.
Feng Y, Li X, Fan X, Li KZ, Wei JH, Hu DY.Feng Y, et al. Among authors: hu dy.Shanghai Kou Qiang Yi Xue. 2009 Apr;18(2):160-3.Shanghai Kou Qiang Yi Xue. 2009.PMID: 19417992Clinical Trial.Chinese.
Fu Y, Li X, Que K, Wang M, Hu D, Mateo LR, DeVizio W, Zhang YP.Fu Y, et al.Am J Dent. 2010 May;23 Spec No A:20A-27A.Am J Dent. 2010.PMID: 21284248Clinical Trial.
Que K, Fu Y, Lin L, Hu D, Zhang YP, Panagakos FS, DeVizio W, Mateo LR.Que K, et al.Am J Dent. 2010 May;23 Spec No A:28A-35A.Am J Dent. 2010.PMID: 21284249Clinical Trial.