Study NCT00004639   Information provided by National Institute of Dental and Craniofacial Research (NIDCR)

First Received: September 17, 1999   Last Updated: July 17, 2008   History of Changes

Study Status:	This study has been completed.
Study Completion Date:	April 2007
Primary Completion Date:	March 2006 (Final data collection date for primary outcome measure)