Affiliation: | Associate Professor, Department of Biomedical Sciences. Baylor College of Dentistry, Dallas, Texas;Department of Orthodontics, St. Louis Universrty, St. Louis. Missouri;Professor Emeritus, Department of Biomedical Sciences, Buylor College of Dentrstry. Dallas, Texas Dr. Lancaster participated in this research while on a Pre-doctoral Research Fellowship at Baylor College of Dentistry |