Our Take: Dental hygienists pursuing professional advancement often pursue the Registered Dental Hygienist (RDH) certification, a credential issued by the Joint Commission on National Dental Examinations (JCNDE) and state licensing boards. Healthcare professionals in the clinical field value this certification for its direct impact on career mobility and earning potential, with approximately 1,244 active job postings across the U.S. and an average salary of $112,000 annually. Candidates invest $395 to sit for the National Board Dental Hygiene Examination (NBDHE), establishing their foundational knowledge and clinical competency. Maintaining the credential requires biennial renewal through continuing education units mandated by individual states, ensuring hygienists stay current with evolving clinical standards and best practices in oral healthcare delivery.