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Anesthesia with Jacqueline Freudenthal

Jacqueline J. Freudenthal, RDH, MHE, is an associate professor and chair of the Department of Dental Hygiene at Idaho State University in Pocatello. She has more than 30 years of experience in providing patient care and dental hygiene education. Freudenthal currently teaches local anesthesia and restorative procedures and is a graduate faculty member. She is active in research, community outreach, and professional service. Freudenthal has published papers on calibration, interprofessional education, patient motivation and compliance, and pain management. Her professional areas of interest include prevention, risk assessment, local anesthesia administration, and expanded function procedures for dental hygienists. Go To Anesthesia 

Cultural Competency with Nancy Mann

Nancy Mann, RDH, MSEd, is a clinical professor of dental hygiene at Indiana University-Purdue University in Fort Wayne. With more than 35 years' experience in private practice and dental hygiene education, she has presented and published nationally and internationally. Mann is also a member of Dimensions of Dental Hygiene's Peer Review Panel. Go To Cultural Competency 

Ergonomics with Claudia Turcotte

Claudia Turcotte, CDA, RDH, MSDH, MSOSH, is a Professor of Dental Hygiene at Tunxis Community College with a Master's Degree in Dental Hygiene and a Master's Degree in Occupational Safety and Health Management. Claudia teaches several dental hygiene didactic and clinical courses including radiology, ethics, practice management and dental hygiene clinic. She has specialized knowledge and skills in human factors and safety with research experience and publications in ergonomics. Go To Ergonomics 

Esthetic Dentistry with Van Haywood and Erin Boyleston

Van B. Haywood, D.M.D., is a professor in the Department of Oral Rehabilitation, College of Dental Medicine at Augusta University in Augusta. In 1989, he co-authored the first publication in the world on nightguard vital bleaching (NGVB) with Harald Heymann, DDS, MEd, and, in 1997, co-authored the first article on extended treatment of tetracycline-stained teeth using this technique. Haywood has more than 145 publications on the NGVB technique, bleaching, and esthetics, including first papers on treating bleaching sensitivity with potassium nitrate, direct thermoplastic tray fabrication, bleaching primary teeth, and caries control with bleaching materials. He has lectured in more than 30 countries and 30 states. Haywood's chairside education book Tooth Whitening: Indications and Outcomes of Nightguard Vital Bleaching was published by Quintessence International in 2007 and is available through Apple iBooks or


Erin S. Boyleston, RDH, MS, is an assistant professor in the Department of Dental Hygiene at Augusta University in Augusta, Georgia. She serves as clinic coordinator for both first-year and second-year dental hygiene students and is the course director for pre-clinic, patient care, and pharmacology. Go To Esthetic Dentistry 

Ethics & Risk Management with Michele Carr and Rachel Kearney

Michele P. Carr, RDH, MA, is an associate professor and chair of the Division of Dental Hygiene at The Ohio State University, College of Dentistry in Columbus. She has served on numerous professional committees such as the American Dental Education Association's Council of Allied Dental Program Directors, the American Dental Hygienists' Association Council on Policy and Bylaws, and the Ohio Dental Hygienists' Association Government Relations Committee. Carr is also a Commission on Dental Accreditation consultant. She has published more than 20 articles in the literature and presents numerous continuing education courses primarily on ultrasonics, local anesthesia, and nitrous oxide sedation. Currently, her research is focusing on interprofessional education, specifically with nurses in the hospital setting. Carr recently served on a task force to develop and implement the Oral Health Access Supervision Program, which allows dental hygienists to work in public health facilities in collaboration with dentists to meet the dental needs of the underserved.


Rachel Kearney, RDH, MS, is an associate professor in the Division of Dental Hygiene at Ohio State University College of Dentistry in Columbus, where she teaches courses on ethics and professionalism. Henry's research interests include the impact of social media on dental education and dentinal hypersensitivity associated with tooth whitening. She is treasurer of the Ohio Dental Hygienists' Association and a delegate to the American Dental Hygienists' Association. Go To Ethics & Risk Management 

Fluoride Therapy with Durinda Mattana

Durinda Mattana, RDH, MS, is an adjunct associate professor in the Departments of Periodontology and Dental Hygiene and Patient Management at the University of Detroit Mercy School of Dentistry where she teaches courses on prevention. She also teaches in the e-learning degree completion program at the University of Michigan School of Dentistry in Ann Arbor. Mattana is the author of the fluoride chapter in the 9th, 10th, and 11theditions of Wilkin's Clinical Practice of the Dental Hygienist. She also has more than 30 years of clinical experience and teaches dental and dental hygiene continuing education courses focused on prevention. Go To Fluoride Therapy 

Infection Control with Kandis Garland

Kandis Garland, RDH, MS, is an assistant professor in the Department of Dental Hygiene at Idaho State University, Pocatello, as well as health and safety coordinator and clinical coordinator for first-year dental hygiene students. Her research, which she presents nationally, focuses on infection control. Garland is also a member of Dimensions of Dental Hygiene's Peer Review Panel. Go To Infection Control 

Instrument Sharpening with Mary Kaye Scaramucci

Mary Kaye Scaramucci, RDH, MS, is associate professor in Dental Hygiene at Raymond Walters College, University of Cincinnati, Ohio. She has 22 years of experience in teaching and has contributed to two textbooks. Go To Instrument Sharpening 

Instrumentation with Stacy Matsuda

Stacy Matsuda, RDH, BS, MS, is a clinical instructor at Oregon Health and Science University School of Dentistry in Portland and has been in periodontal practice for more than 30 years. She directs Pacific NW Institute, working with faculty and clinicians to advance the standard of care in nonsurgical therapy through tailored hands-on courses and faculty development programs. Matsuda is also a Dimensions Editorial Advisory Board member and a frequent contributor. Go To Instrumentation 

Insurance Coding with Karen Davis

Karen Davis, RDH, BSDH, is founder of Cutting Edge Concepts® and a consultant with The JP Institute of San Diego, California. She practices dental hygiene with Dr. Tom McDougal in Dallas, Texas. Karen speaks internationally and has authored numerous articles related to practicing comprehensively. She was recognized in Dentistry Today's Top Clinicians in Continuing Education for 2006 and 2007. Karen serves on the Corporate Council for Dimensions of Dental Hygiene. She will answer questions related to insurance coverage and coding. Go To Insurance Coding 

Nutrition with Cynthia Stegeman

Cynthia Stegeman, EdD, RDH, RD, CDE, is a registered dietitian and certified diabetes educator who works in a hospital-based diabetes center. She is an associate professor in the Dental Hygiene Program at the University of Cincinnati. In addition, Stegeman provides outpatient diabetes education to dental hygiene, dietetic, nursing, and medical students; health care professionals; and individuals with diabetes at Bethesda North Hospital in Cincinnati. She is currently working on the fourth edition of her textbook—The Dental Hygienist's Guide to Nutritional Care. Stegeman is also president of the Ohio Dietetic Association and a member of Dimensions' Peer Review Panel. Go To Nutrition 

Oral Pathology with Olga Ibsen

Olga A.C. Ibsen, RDH, MS, FAADH, is a world-renowned authority on oral pathology and the co-author of Oral Pathology for the Dental Hygienist, now in its 7th edition. A trusted opinion leader on this subject, she also is an adjunct professor at several universities and a consultant member of the Commission on Dental Competency Assessments. Ibsen is a longtime member of Dimensions of Dental Hygiene’s Editorial Advisory Board and the 2017 recipient of The Esther Wilkins Lifetime Achievement Award. Go To Oral Pathology 

Oral Pathology with Pallavi Parashar

Pallavi Parashar, BDS, DDS, FAAOM, is an assistant professor at the University of Colorado School of Dental Medicine in Aurora, Colo. She specializes in restorative and preventive dentistry in addition to diagnosing oral lesions. Parashar's research interests include oral cancer and identifying the role of human papillomavirus in oral lesions. Go To Oral Pathology 

Pediatric Dentistry with Jessica Lee

Jessica Y. Lee DDS, MPH, PhD, is the Demeritt Distinguished Professor at the University of North Carolina. She also serves as the Graduate Program Director of the Pediatric Dentistry Residency Program. She is board certified Pediatric Dentist and an active member of the medical staff at UNC Hospitals and practices in the Dental Faculty Practice in the School of Dentistry. An author and researcher, she serves on the editorial boards of the Journal of Dental Research, Journal of Public Health Dentistry and Dental Traumatology. Dr Lee is the recipient of numerous teaching and research awards and was named the 'Pediatric Dentist of the Year" by the American Academy of Pediatric Dentistry in 2011. Go To Pediatric Patient Management 

Periodontal Therapy with Jill Rethman, Timothy Hempton and Bryan Frantz

Jill Rethman, RDH, BA, has been involved in dental hygiene for more than 30 years, from clinical practice to speaking to publishing. Jill currently serves as the editorial director for Dimensions of Dental Hygiene. She is a visiting clinical instructor of Dental Hygiene at the University of Pittsburgh School of Dental Medicine, an assistant professor at Ohio State University, and a member of the American Academy of Periodontology's Task Force on Dental Hygiene Education. She is also a featured speaker in the American Dental Association's Seminar Series. Jill has published extensively in dental hygiene and dental journals as well as textbook chapters. She speaks both domestically and internationally on topics ranging from periodontal updates to patient motivation. Go To Periodontal Therapy 

Timothy J. Hempton, DDS, is an associate clinical professor and interim director of post-doctoral periodontology at Tufts University School of Dental Medicine in Boston. He is a diplomate of the American Board of Periodontology and also maintains a private practice limited to periodontology and implantology in Dedham, Massachusetts. Hempton is a member of Dimensions of Dental Hygiene's Editorial Advisory Board. Go To Periodontal Therapy 

Bryan J. Frantz, DMD, MS, a board-certified periodontist, is a clinical associate professor in the Department of Periodontology at Temple University's Maurice H. Kornberg School of Dentistry in Philadelphia and at the Eastman Institute for Oral Health at the University of Rochester Medical Center in Rochester, New York. An active member of the American Academy of Periodontology (AAP), Frantz is a District II Trustee and currently serves on numerous committees and task forces. He is past president of the AAP Foundation, as well as a former examiner for the American Board of Periodontology. Frantz maintains a private practice in Scranton, Pennsylvania, with Matthew Palermo, DDS, and Fred Bonacci, DMD. Go To Periodontal Therapy 

Pharmacology with Ann Eshenaur Spolarich

Ann Eshenaur Spolarich, RDH, PhD, is a physiologist, independent research consultant, and national continuing education provider in Cave Creek, Ariz. She is also a visiting lecturer for the National Center for Dental Hygiene Research at University of Southern California , Los Angeles . She lectures extensively at professional meetings and universities both nationally and abroad. Winner of the 1997 Warner Lambert/American Dental Hygienists' Association Award, Spolarich also received the Thomas Jefferson University Alumni Special Achievement Award in 1998 and the University of Pennsylvania Dental Hygiene Alumni Achievement Award in 2002. Go To Pharmacology 

Polishing with Caren Barnes

Caren M. Barnes, RDH, MS, is a professor in the Department of Dental Hygiene and the coordinator of clinical research at the Cruzan Center for Dental Research, at the University of Nebraska Medical Center, College of Dentistry in Lincoln. She is also a Dimensions of Dental Hygiene Editorial Advisory Board member. Go To Polishing