Rella Christensen, RDH, PhD

Currently, Rella Christensen, RDH, PhD, leads TRAC Research, which is part of the nonprofit educational Clinicians Report Foundation, an organization she co-founded and directed for 27 years. TRAC Research is devoted to oral microbiology, minimally invasive dentistry, and dental restoratives research. Throughout her career, Christensen’s work has focused on the development of practice-based controlled clinical …

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Crystal Spring, RDH, BS, LAP

For the past 22 years, Crystal Spring, RDH, BS, LAP, has been wildly passionate about her work and the dental hygiene profession. Growing up on the Fort Peck Indian Reservation in Northeastern Montana, Spring noticed early on there was a desperate need for access to care. Living in an impoverished area and watching many of …

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Amy E. Coplen, RDH, EPDH, MS

In 2009, Amy E. Coplen, RDH, EPDH, MS, joined the faculty at Pacific University School of Dental Hygiene Studies in Forest Grove, Oregon, after completing a Master of Science in Dental Hygiene degree from the University of Michigan in Ann Arbor. She is now a tenured associate professor and program director at Pacific University. Coplen …

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Michele Lash, RDH, BA

With more than 20 years of experience in the dental hygiene profession, Michele Lash, RDH, BA, is a clinical educator for Dentsply Sirona in York, Pennsylvania. She spent many years in clinical private practice and in education at her alma mater, Harrisburg Area Community College in Harrisburg, Pennsylvania, where she served as an adjunct clinical …

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Michaela Nguyen, RDH, BSDH, MS

Since 1998, Michaela Nguyen, RDH, BSDH, MS, has been practicing clinical dental hygiene in general/cosmetic dentistry in the Los Angeles area. She is also the pre-clinical director and senior clinical instructor—focusing on manual and ultrasonic advanced instrumentation techniques, body mechanics, and dental photography—in the Dental Hygiene Program at Herman Ostrow School of Dentistry at the …

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