IowaDental Hygienist License Requirements

Program Details

Notes

Local anesthesia requires separate permit ($70 application, $25 renewal) per rule 481-572.10. Nitrous oxide requires board-approved training but NO separate permit; dentist must provide direct supervision and establish written office protocol. Expanded functions available with training. Services include oral prophylaxis, periodontal scaling, sealants, fluoride, silver diamine fluoride, phlebotomy, and application of medicaments. Public health supervision does NOT permit LA or nitrous oxide.

Notes

Three supervision levels: direct, general, and public health. LA and nitrous oxide require direct supervision only. Public health supervision allows educational, therapeutic, preventive, assessment services under standing orders. Collaborative practice permits also available for dental hygiene treatment planning under general supervision.

CE Topics

Regulatory Board

Dental hygienist licenses must be renewed on schedule. Most states require continuing education covering infection control, CPR/BLS, ethics, and clinical topics relevant to dental hygiene practice.

Additional Requirements for Transfer

• •Application by credentials: $200
• •Background check packet: $46
• •Active license in another state for 12+ months OR 3+ years current active practice
• •NBDHE passage

Dental hygienist license reciprocity varies by state. Many states offer licensure by credentials or endorsement for hygienists with active licenses in other states, though additional exams or documentation may be required.