College of Dental Medicine Continuing Education

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Course Description: The CO2 Hygiene course will provide you with the basic knowledge to provide laser assisted periodontal therapies in your office. Both Doctors and Hygienist can take this course. We will teach you the basic science and principles behind the use of the superpulsed CO2 Laser and it periodontal applications. Before applying this technology we will review basic microbiology and give an understanding of the temperature gradients necessary to deactivate and kill periodontal pathogens. Aside from treatment of the Periodontal pockets you will learn how to provide this technology for basic oral procedures (outside of the Pocket).

Author: Dr. Robert Levine

CE Units: 6

Course Breakdown and Instructions:

Module Goals:

Module 1 – Introduction to Laser Science

Provide fundamentals for understanding of:
  • Basic  Microbiology  of  Periodontal  Apparatus
  • Periodontal  Disease
    • Laser history
    • Definitions-Laser light specifics
    • Units and measurement used with lasers
    • Basic laser physics → Laser tissue interaction
    • Assembly of laser
    • Differences between lasers
  • Gas , Solid State, or Semi-Conductor  Phases
  • Temperature Effects on Soft Tissue
  • Laser Safety

Module 2 – CO2 10.6 Hygiene Applications

Understanding of Superpulsed CO2 Science
  • To teach specific indications and interactions of  10.6 CO2 laser wavelength in Assisted periodontal therapy
    • Capabilities and limitations
    • Advantages and disadvantages
        Photothermal Effects on Periodontopathic Bacteria
Coagulation Properties of Superpulsed Lasers
Application Techniques For Laser Assisted Perio Therapies
Soft Tissue Surgical Applications with Case Presentations
Application Dynamics
  • Power settings
  • Ranges
  • Preferred parameters


To successfully complete this course, you will need to study the material presented in the course presentation. This is a self-paced course that can be paused and returned to at a later time. Once you have reviewed the course presentation in its entirety, you will need to complete the final assessment below. Lastly, please make sure to submit the required course evaluation.

If you have any course-related questions please contact Your questions will be forwarded to the appropriate content expert and you will receive a response within 48 hours.

You must pass the final assessment with a score of 70% to receive CE credit. After the assessment has been submitted you will have the opportunity to review your incorrect answers.

Practice Assessment

Grading for this quiz does not count towards the final quiz grade. Multiple attempts to this assessment can be made.

Final Assessment

Be sure to complete the CO2 Laser course presentations before attempting this assessment. You must pass the final assessment with a grade of 70%or higher in order to receive course credit. Multiple attempts of this assessment can be made.


Course Evaluation:

In order to receive CE credit, you must also complete the course evaluation survey.