Dental assistants are essential team members in the dental office. Working closely with the dentist, hygienist and administrative staff, dental assistants use their skills to deliver quality oral care to diverse patient populations and to increase efficiency in the office.

Dental assistants work chairside with the dentist, in the business office and in the dental laboratory. Duties may include:

  • Instrument and operatory infection control
  • Preparation of instrument trays
  • Instructing patients on proper oral hygiene and post-treatment care
  • Maintenance of dental practice records and supplies
  • Exposing and processing of dental radiographs if the assistant is certified to do so
  • Scheduling appointments

Students will have the opportunity to obtain the following certificates by passing the following and meeting required Radiological Proficiency (RHS) and Expanded Functions Dental Assistant (EFDA) exams: Radiological Proficiency (RHS), Infection Control Exam (ICE) and Oregon Expanded Functions Dental Assistant (EFDA).


  • Mar 15

    Dental Assistant information session

    A hybrid information session for the Dental Assistant program will be held from 6-7 p.m. via Zoom and in-person on the Harmony Campus. If you are able to attend, please register. Applications are open from March 1-July 1.

Dental Professions Summer Camp for High School Students

Dental Professions Summer Camp for High School Students

Camp information

Dental Assistant CC Program Information

Dental Assistant CC

Description and Outcomes
Program Structure
Oregon Health Authority rules for students in clinical training
Program Costs

Academic Requirements

Dental Assistant Requirements

Prerequisite requirements for program
Essential functions

Dental Assistant Application Process

Dental Assistant Application 4

Mar 7, 2023, 15:30 PM
Step label 1 : Step
Step label 2 : 04

Send your unofficial transcripts or Clackamas Community College (P.A.S.S.) placement test scores for prerequisites (Math, Writing) via email to:

Note: make sure to indicate the program you are applying for in the email subject line: "DA Pre-requisite Courses Transcript Check".

Dental Assistant Essay Questions

Dental Assistant Essay Questions

Application Essay Questions and Scoring Rubrics

About Career Explorations



Harmony Campus

7738 SE Harmony Road

Milwaukie, OR 97222