Anna Matsuishi Pattison RDH, MS is a former Associate Professor and Chair of Dental Hygiene at the Ostrow School of Dentistry at the University of Southern California. As an internationally recognized expert on instrumentation, she is coauthor of the textbook, Periodontal Instrumentation, has contributed to Carranza’s Clinical Periodontology, was Editor-in-Chief of Dimensions of Dental Hygiene and is currently the Co-Director of the Pattison Institute offering online videos and workshops