EDT Mission Statement

Quality, Innovation, Efficacy, and Value: that is what EDT is all about.  We design, develop, and distribute innovative personal dental hygiene products that fulfill these core values.  While we serve both the professional and general consumer markets, we also provide products for those with limited dexterity including children, the elderly, and people with disabilities.  EDT is also committed to being a responsible corporate citizen and supports multiple charitable and community causes.

EDT History

Dr. Stephen Harada began to develop his innovative line of oral care products in 1996.  At that point, he had been in private practice over 20 years as a general dentist in San Francisco, California. That experience led him to recognize a


Board of Directors

Stephen D. Harada D.D.S.
Chief Executive Officer & Chairman of the Board - EDT

Dr. Stephen Harada has been in private dental practice in San Francisco for almost 30 years and is a member of


Advisory Board

Christopher Lines, D.D.S., M.S.
Founder - Lines Orofacial Specialists, PLC

Craig D. Mukai, D.D.S.
Private practice, Periodontics
San Francisco, California



"In addition to proper flossing, removing plaque through proper brushing is also crucial. Manual brushing works well if done properly and for this Daugherty likes to recommend the Curvex II toothbrush sold by Patterson Dental Supply.