Welcome to the Dental Hygiene Committee of CA

Explanations of License Types, License Status, and Description of Class Codes

Below is a description of License Types

Registered Dental Hygienist (RDH)

  • N = they are allowed to administer nitrous oxide and oxygen
  • S = they are allowed to perform soft tissue curettage
  • L = they are allowed to perform local anesthesia
  • The field will either be completely blank or show the designation "SLN" if they are allowed to perform all three duties. The field will show the designation "NON" if they are not allowed to perform any of the three duties.

Registered Dental Hygienist Extended Functions (RDHEF)

  • N = they are allowed to administer nitrous oxide and oxygen
  • S = they are allowed to perform soft tissue curettage
  • L = they are allowed to perform local anesthesia

Registered Dental Hygienist in Alternative Practice (RDHAP)

Below is a description of license status:

  • 10 - Renewed/Current
  • 10 9 - Renewed/Current (9) Inactive
  • 3 - Delinquent
  • 11 - Active/Inactive not checked on renewal form
  • 99 - Conviction declaration not completed on renewal form
  • 28 - Dental Healthcare Workforce Survey incomplete

License Verification

For assistance, please call 916-263-1978.