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Dental Hygiene studentCabrillo College Dental Hygeine clinicAn Accredited Dental Hygiene Program, serving our community since 1969

Expanded Duties Course
(Local Anesthesia/Soft Tissue Curettage/Nitrous Oxide)


Upcoming Dates and Fees:


  • Each course Fee: $5,000 (non-refundable)
  • On-site Course: November 8-12, 2017 (Wed-Sun) / Enroll by: Oct 3rd, 2017 (registration closed!)
    The online component for this course is open Oct 7th-Nov 7th, 2017. All online coursework is to be successfully completed prior to the first day for this on-site clinical session.
  • January RDH ED course (On-site: January 8th-12th, 2018) (to register, click here)
    Registration closes: Dec. 20th, 2017
    Online Canvas component: Dec. 6th, 2017-Jan. 6th, 2018 (one month duration)
    On-site Clinical component: Jan. 8th-Jan. 12th, 2018 (Monday-Friday)
  • March RDH ED course (On-site: March 27th-31st, 2018) (to register, click here)
    Registration closes: Feb. 23rd, 2018
    Online Canvas component: Feb. 24th-Mar. 24th, 2018 (one month duration)
    On-site Clinical component: Mar. 27th-31st, 2018 (Tuesday-Saturday)
  • June RDH ED course (On-site: June 5th-9th, 2018) (to register, click here)
    Registration closes: May 1st, 2018
    Online Canvas component: May 2nd-June 2nd, 2018 (one month duration)
    On-site Clinical component: June 5th-9th, 2018 (Tuesday-Saturday)
  • August RDH ED course (On-site: August 14th-18th, 2018) (to register, click here)
    Registration closes: July 10th, 2018
    Online Canvas component: July 11th-Aug. 11th, 2018 (one month duration)
    On-site Clinical component: Aug 14th-18th, 2018 (Tuesday-Saturday)
  • November RDH ED Course (On-site: November 7th-11th, 2018) (to register, click here)
    Registration closes: Oct. 3rd, 2018
    Online Canvas Component: Oct. 4th-Nov. 4th, 2018 (one month duration)
    On-site Clinical Component: Nov. 7th-11th, 2018 (Wednesday-Sunday)

Note: Due to the use of nitrous oxide, it is not advised for individuals who are or may be pregnant to enroll.

About the Course:

The Cabrillo College Dental Hygiene Department has been approved by the Dental Hygiene Committee of California to offer the Expanded Duties Course, which includes the administration of Nitrous Oxide, Local Anesthesia and Soft Tissue Curettage. All three certifications (LA, STC, N20/02) must be completed concurrently. Participants must have an active dental hygiene license from a US state or Canadian province, or have graduated from an approved DH program or currently enrolled in the final semester.

Course Format:

This course includes both online and in-person clinical competencies. The online modules require 22 hours of didactic study and made available to the participants one month prior to the on-site clinical portion of the course. Participants must have access to high-speed internet and the ability to download software programs such as Adobe PDF Reader, and Adobe Flash. Computers used should be equipped with a DVD or CDROM drive. All of the modules, quizzes and final exams must be completed and passed at a 75% level prior to the on-site clinical portion of the course. The clinical sessions of the course, 36 hours, are held on-site at the Cabrillo College Dental Hygiene Clinic, 6500 Soquel Drive, Aptos, CA 95003.

The online portion of the course is made available to registered participants one month prior to the in-person clinical five-day session. Successful completion of the on-line exams are required to proceed onto the on-site clinical sessions which meet 8am-5pm daily.

Participants must provide the following:

  • CPR certification and DH licensure status or last semester DH student in good standing.
  • Proof of Current Malpractice Insurance with $1,000,000 minimum coverage. A student policy is sufficient. To purchase, visit Please ensure that Cabrillo College is listed as a certificate holder exactly as follows:
    Cabrillo College
    Attention: Dental Hygiene Department
    Post Graduate Studies Coordinator
    6500 Soquel Drive Aptos, CA 95003
  • Instruments, Textbooks, Medical History and Consent forms.

Patient pool is available:

A list of possible patients will be provided for participants or they may chose to bring their own patients. The participants are required to contact and compensate three outside patients with approved medical histories. These patients are required to be present for the final two days of the clinical sessions.

Travel info:

Click here for travel recommendations.


Noel Kelsch, RDH, RDHAP, MS

DH Program Director


Britta Swearingen
Cabrillo College Dental Hygiene Post Graduate Studies Department


update 10/16/2017

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