About the Author
Marie D. George, RDH, MS, is a clinician, author, and educator, with current appointments as Adjunct Faculty in the Department of Dental Hygiene at both the University of Pittsburgh School of Dental Medicine and the Community College of Philadelphia. She develops and presents evidence-based educational programming specific to ultrasonic debridement to practicing clinicians, dental and dental hygiene students, and faculty nationally and internationally. Timothy G. Donley, DDS, MSD, is in the private practice of periodontics and implantology in Bowling Green, KY, and is an adjunct professor in the College of Health and Human Services at Western Kentucky University. Dr. Donley regularly lectures throughout the U.S. and abroad on the science and clinical applicability of ultrasonic instrumentation. Philip M. Preshaw, BDS, FDS RCSEd, PhD, is Professor of Periodontology and the Course Director for Undergraduate Periodontology at Newcastle University, UK. He is also actively involved in clinical research, with numerous publications in peer-reviewed scientific journals, and has been awarded a Distinguished Scientist Award from the International Association for Dental Research.