Programs And Courses

Expanded Functions Dental Assisting (EFDA)

What does an EFDA do:

  • Placement, finishing, and polishing of amalgam, composite and intermediate restorations
  • Placement of dental sealants
  • Coronal polishing
  • Fluoride treatments
  • Placement and removal of dental dams
  • Placement of matrix bands and wedges
  • Placement of bases and liners
  • Preliminary impressions
  • Fabrication of temporary crowns and bridges

About the program

The EFDA Program takes place over two semesters. Upon successful completion of the program, students are eligible to apply for their State Board Licensure Exam.

Please note: a criminal history may prevent certification/licensure as an Expanded Functions Dental Assistant in Pennsylvania. Please contact the SBOD for further information.

EFDA graduates who are CDA certified through DANB can apply 30 credits towards Associate in Health Science degree.

DA252 - Expanded Functions Dental Assisting I AND Lab

DA252 is a blended learning course and is only offered in the Fall Semester. It consists of an online learning and hands-on laboratory component. In this course, students will learn the skills needed to perform the duties of an Expanded Functions Dental Assistant.

Credits: 4

Format: Blended Course Lecture: Online Lab: Wednesday 6-9 p.m. or Saturday 9 a.m. - noon Location: Harrisburg Campus, SMHEP-102

DA253- Expanded Functions Dental Assisting II (Clinical)

This course is only offered in the Spring Semester and is reserved for students who have successfully completed DA252.

Students will provide restorative treatment to patients in the HACC Dental Clinic and in a private practice setting. The student must have support of a supervising dentist in private practice to complete clinical procedures.

Format: On-campus lab and private practice clinical support Lab: Monday and Wednesday 6-9 p.m. or Saturday 9 a.m. - noon and 1-4 p.m. Location: Harrisburg Campus, SMHEP-102

Topics Covered:

Dental Law Dental Anatomy Positioning/Ergonomics/Instrumentation Cavity Preparation Design Dental Rubber Dam Matrices/Wedge Placement Bases/Liners Amalgam, Composite and Intermediate Restorations Provisional Restorations Dental Sealants Coronal Polishing Fluoride Application


Prerequisites for Admission:
  • High School Graduate or GED and one of the following:
    • Current Certified Dental Assistant (CDA) through the Dental Assisting National Board
    • Current Pennsylvania State License as a Registered Dental Hygienist
    • At least 2 years full-time clinical experience as a Dental Assistant with current PA X-ray Certification. (Must download and complete the Verification of Clinical Dental Assisting Hours Form
  • Current CPR Certification for a Healthcare Provider
  • Current employment in a dental facility that will take part in DA253 Clinical Experience


Application Process:

Two class/clinic options are available each year: Monday & Wednesday evenings or Saturdays. Your preferred time will be for both Fall and Spring Semesters. A maximum of 12 students will be admitted to each cohort.

To apply for the EFDA program, please complete the following steps:

  1. Meet with EFDA coordinator, Rebecca Small. Email her - - to schedule an appointment.
  2. Submit your high school transcripts (or GED) to the admissions office at
  3. Submit the application to the EFDA Program by using a SurveyMonkey application.  Link will be provided after you meet with EFDA coordinator.  Students are selected on a first come, first serve basis (date on application) after credentials are verified.

Estimated program expenses (cost)

For more information about the Expanded Functions Dental Assisting program, please

Rebecca Small, RDH, CDA, EFDA, BS
(717) 780-2398