This work was supported by grant # DE 14587-02 from NIDCR (PI: Inglehart).
Dr. Marita R. Inglehart, Dept. Of Periodontics and Oral Medicine
University of Michigan School of Dentistry, Ann Arbor, MI. 48109-1078.
Email: mri@umich.edu; Tel. 734-763-8073; Fax: 734-763-5503