Ms. O'Hehir attended the University of Minnesota where she received degrees in Dental Hygiene and Higher Education. Four decades as a dental hygienist have included private practice in the United States and Zurich, Switzerland and faculty positions at the Universities of Minnesota, Washington, Arizona and Louisville.
She pioneered the position of Periodontal Therapist in Arizona, and worked for several years teaching local anesthesia and providing local anesthesia in an oral surgery practice. In addition to extensive clinical practice experience, she is an international lecturer, Editorial Director of
Hygienetown Magazine, and President of the Perio Reports Press.
She has authored more than two decades of Perio Reports research summaries, the textbook Compendium of Current Research, contributed to the texts Comprehensive Dental Hygiene Care, by Irene Woodall, and Comprehensive Periodontics for the Dental Hygienist. Her articles have appeared in Hygienetown, RDH, JDH, JPH, Access, JDR and JADA.
Her awards include the 1991, Distinguished Alumni Award from the University of Minnesota, School of Dental Hygiene and the Warner-Lambert/ADHA Excellence in Dental Hygiene Award in 1992.
Trisha currently lives and works in Phoenix, Arizona, where she is a Past-President of the Arizona State Dental Hygienists' Association. Trisha is considered a future-focused thinker who presents thought provoking programs combining current research, practical applications, and alternatives for the future.
