Dr. Bethany Valachi, PT, DPT, MS, CEAS is author of the book, ?Practice Dentistry Pain-Free?, clinical instructor of ergonomics at OHSU School of Dentistry in Portland, OR and is recognized internationally as ?the? expert in dental ergonomics.  For over 20 years, Dr. Valachi has helped thousands of dental professionals prevent pain and extend their careers with her relevant, evidence-based dental ergonomic education.  She has published more than 80 articles in dental journals and offers dental ergonomic CE video training and webinars on her website at www.posturedontics.com.