Mary Costello, the undisputed “Queen of the Rubber Dam” has taught literally thousands of people better rubber dam techniques in hands-on clinics around the country.  Now, you can pick up some of her tips online and pick up an hour of FREE CE credit at the same time! 

Mary will share that help with material identification and selection, but the majority of time will be spent on technique demonstration.  Her skilled hands will show you how to achieve effective isolation faster and easier than you thought possible! 

This streaming webinar will be presented in a slide and demonstration format. If you're unable to attend live, a recording of the webinar will be available to you by email following the scheduled date and time.


At the end of the course, the clinician will understand:

  • How to select the appropriately sized clamp
  • How to identify different clamp jaw styles and their purpose
  • Improved methods for seating the interseptal dam
  • Effective quadrant isolation



               Tuesday, January 22nd, 2019, 8:00pm Eastern

               One (1) hour of CE lecture credit will be provided


This course is free, but you are required to register in advance.

This program is provided by Garrison Dental Solutions and presented by Mary Costello, CDA-Emeritus, EFDA, and BS.

No required prerequisites.

AGD subject code 010


Your Instructor

Mary R. Costello, CDA-Emeritus, EFDA, has a BS in Health Administration from Governors State University, Illinois.  She has over 50 years’ experience in the dental field, serving as Expanded Duties Dental Auxiliary for the US Army, a Dental Coordinator for a hospital-based dental center, and a Dental Dam Instructor, lecturing throughout the United States and Canada on Dental Dam Dentistry as Manager of Continuing Education and Professional Relations-Hygenic Products for Coltene, Inc.  Mary currently is an independent dental consultant.