Study NCT00004640   Information provided by National Institute of Dental and Craniofacial Research (NIDCR)

First Received: September 17, 1999   Last Updated: July 15, 2008   History of Changes

Study Status:	This study is ongoing, but not recruiting participants.
Estimated Study Completion Date:	October 2008
Estimated Primary Completion Date:	May 2008 (Final data collection date for primary outcome measure)