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CCOG for DA 119 Winter 2024

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Course Number:
DA 119
Course Title:
Expanded Duties II
Credit Hours:
Lecture Hours:
Lecture/Lab Hours:
Lab Hours:

Course Description

Continues clinical training and practical experience in expanded functions dental assisting duties as allowed by the Oregon Dental Practice Act. Focuses on the rationale and procedures for Expanded Functions Orthodontic Dental Assistants (EFODA) certification and orthodontic specialty procedures.

Intended Outcomes for the course

Upon completion of the course students should be able to:

  • Perform, at a basic level, expanded functions of orthodontic duties while utilizing correct and safe methods.

Outcome Assessment Strategies

  • Complete quizzes
  • Complete laboratory activities
  • Complete clinical competencies
  • Complete midterm examination
  • Complete final examination
  • Complete internship evaluations
  • Complete specialty externship office rotation

Course Content (Themes, Concepts, Issues and Skills)


  • Dental Assisting Clinical Duties
  • Professionalism
  • Communication
  • Teamwork
  • Legal & Ethical Standards


  • Division 42 of the Oregon Practice Act
  • Armamentarium
  • Documentation
  • Fulcrum
  • Tooth surfaces
  • Indirect vision
  • Ergonomic positioning
  • Indications and Contraindications
  • Post-operative instruction
  • Orthodontic office personnel work duties
  • Orthodontic instruments
  • Indications and contraindications for orthodontic treatment
  • Orthodontic diagnosing
  • Orthodontic treatment
  • Orthodontic treatment sequence
  • Palmer notation
  • Bite registration
  • Separators
  • Bracket placement
  • Orthodontic band placement 
  • Orthodontic wires and placement
  • Orthodontic ligatures
  • Fitting bands
  • Band and cement removal
  • Elastics
  • Orthodontic Oral Hygiene Instructions (OHI)
  • Orthodontic appliances


  • Time management 
  • Organization
  • Self Direction
  • Safety

Competencies and Skills:

  • Describe the role of an orthodontic assistant
  • Take a bite registration on a patient
  • Place separators
  • Identify orthodontic instruments
  • Fit and cement orthodontic bands
  • Place and remove orthodontic archwires
  • Identify the different ways to treat malocclusion 
  • Present oral hygiene and home care instructions
  • Remove cement with hand and ultrasonic scaler
  • Follow OHSA standard precautions and hazardous materials guidelines while providing patient care during expanded functions procedures
  • Review patient health history for possible contraindications to treatment
  • Taking intraoral photos specifically for orthodontic treatment
  • Role play the steps in an orthodontic evaluation

Related Instruction

Hours: 6

  • Perform, at a basic level, expanded functions of orthodontic duties while utilizing correct and safe methods.

Students will role play treatment for the orthodontic patient from their first  to their last visit. Students will specifically role play how to communicate with patients about their treatment needs, and what will happen during the multiple appointments their patients will need for the approximately 24 months of treatment.

Students will role play the following appointments during this course:

  • Medical history review
  • Initial records - impressions, dental images and dental photos specific for orthodontic treatment
  • Separators placement
  • Banding appointment
  • Adjustment appointments 
  • De-banding, cement removal and retainer (s) appointment
  • Post-treatment records - dental images, dental photos