Nitrous Oxide ($400)

Dental Assistants holding this expanded duty permit may act as a third hand under direct visual supervision while a dentist is administering nitrous oxide. Dental assistants cannot administer nitrous oxide. (Please direct all questions regarding specifics to the Board of Dentistry)

Dental Hygienists authorized by the Oklahoma Board of Dentistry to perform this advanced procedure may administer nitrous oxide.

Please read the following information before proceeding to the application at the bottom of the page.
(Failure to do so could potentially delay or void your enrollment.)

(Each of the below requirements must be met)

  • Dental Assistants must:
  • Dental Hygienists must hold a current Dental Hygiene License
  • Everyone must hold a BLS for the Healthcare Provider/Professional Rescuer CPR card or eCard from the American Red Cross or the American Heart Association that will be CURRENT at the time of the course (if you do not hold that specific form of CPR from one of those two agencies, or your card expires before the course date, you CANNOT enroll in this course. See samples if in question).
  • All participants must administer AND receive Nitrous Oxide. If you are pregnant, you cannot attend this course.

Before Enrolling

  • ALL APPLICATIONS MUST BE SUBMITTED ONLINE.  Hard copy applications will not be accepted.
  • The enrollment fee must be PAID IN FULL and the application approved before the applicant will be given a spot in the course.
  • You will not be considered for enrollment with an incomplete application (Read carefully to avoid a delay in your enrollment.)
  • Applications will be processed in the order they are received.
  • Once payment is received and the application is approved, a final confirmation with receipt will be sent. If payment was submitted online, please allow up to 7 business days for your final confirmation.
  • To avoid confirmation emails and course packets from being blocked or sent to junk/spam/clutter folders, click HERE for helpful instructions.  The email addresses you will want to add are and

View the General FAQ and the Nitrous Oxide FAQ for any questions.


Forms & Information

Employment Verification Form* (hygienists use license)

Covid-19 Requirements Form*

*Required for the application


If your CPR card EXPIRES BEFORE YOUR COURSE DATE, your application will NOT be accepted.  Please obtain a CPR that will be valid at the time of your course before enrolling. LETTERS FROM THE INSTRUCTOR WILL NOT WORK IN PLACE OF THE CARD/eCARD.