Oral microbiology and immunology / edited by Richard J. Lamont, Center for Oral Health and Systemic Disease, University of Louisville School of Dentistry, Louisville, Kentucky; George N. Hajishengallis, Department of Microbiology, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Hyun (Michel) Koo, Department of Orthodontics and Divisions of Pediatric Dentistry and Community Oral Health, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Howard F. Jenkinson, School of Oral and Dental Sciences (Professor Emeritus), University of Bristol, Bristol, United Kingdom