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Author notes

Dr. Sinclair is Associate Professor, Department of Orthodontics, Baylor College of Dentistry, Dallas, Texas. He is a dental graduate of the University of London (B.D.S.), and holds a Certificate and M.S.D. in Orthodontics from the University of Washington in Seattle

Dr. Berry is a Professor, Department of Microbiology, Baylor College of Dentistry. He holds a B.S. degree from Hendrix College, an M.S. from Louisiana Tech. University, and a Ph.D. from Baylor University in Waco, Texas

Carl Bennett is a Research Technician in the Department of Microbiology at Baylor University. He holds a B.S. degree from West Virginia Wesleyan University in Buckham, West Virginia

Dr. Israelson is in the private practice of Periodontics in Richardson, Texas, and Clinical Assistant Professor in the Department of Periodontics at Baylor University. He holds a D.D.S. degree from the University of Witwatersrand, South Africa, and a certificate in Periodontics from Tufts University in Boston