RDH is an abbreviation that stands for "registered dental hygienist." It is a professional designation that is used by dental hygienists who have completed an accredited dental hygiene program and have passed the National Board Dental Hygiene Examination (NBDHE). RDHs are licensed to practice dental hygiene in all states and territories of the United States.
In magazine, RDH may refer to:
- Registered Dental Hygienist: A dental professional who is licensed to provide preventive and therapeutic dental care to patients.
- The Registered Dental Hygienist: A magazine published by the American Dental Hygienists' Association (ADHA).