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Welcome to the New Hampshire Dental Hygienists Association. The mission of the NHDHA is to improve the publics total health by ensuring the access to quality oral health care by advancing the art and science of Dental Hygiene increasing awareness of the cost effective benefits of prevention promoting the highest standards of Dental Hygiene education licensure practice and research and representing and promoting interests of Dental Hygienists. Upcoming Events Non Invasive Clinical Care for Treating Dental Caries Non Invasive Clinical Care for Treating Dental Caries View Details Fall Symposium Save the date with Amber Auger for our Fall Symposium View Details PLATINUM SPONSORS Gold Sponsors Facebook Instagram Contact Us6038687475 2025 New Hampshire Dental Hygienists Association All rights reserved. Member Login Members Log In .