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Welcome to the MDA Expanded Functions Dental Assistant Website

This site is designed to be an education tool for both doctors and assistants. We hope it will help you learn more about the important role of EFDAs in Missouri dental practices and the steps to education and certification and permitting to begin expanded function delegation.

MDA EFDA Courses & Registration

We are always adding new EFDA Courses. If you are unsure which course or date you would like to register for, please visit the Course Listings page for available course dates. When you are ready to register, download and complete the Registration Form and return it to the MDA.

Contact the MDA

If you have questions about topics on this EFDA site, or need assistance with registration, viewing modules or more, please contact the MDA. 

Frequently Asked Questions

I want to take an EFDA course, but need to know the prerequisites to do so. Learn More
I want to know what EFDA skills are delegable under the Dental Practice Act. Learn More 
I want to learn more about what EFDA courses are available and specific dates. Learn More
I received my course certificate. How do I apply for a permit? Learn More

EFDA Permits Now Required

Those with EFDA certification in one or more categories must possess an EFDA permit issued by the Missouri Dental Board, which must be displayed in plain view in any facility before the dental assistant may provide expanded functions. 

Lost EFDA Certificates

Wishing to apply for a Missouri EFDA permit but lost your EFDA certificate? Individuals who took an MDA-sponsored EFDA course may request duplicate certificates if originals have been lost/destroyed or if a name change has occurred. Your certification always will be on record under the name with which you registered for the course at that time, but you may request a new certificate with a name change due to marriage, divorce, etc. If you took a course through Nichols Career Center (573-659-3111), Ozarks Technical Community College (417-447-8832) or a another CODA accredited dental assisting program, you will need to contact them direct to request your certificate.

Missouri College Announces Closing: In November 2016, Missouri College in St. Louis announced it was permanently closing. The MDA is aware of the concerns from dental assistants enrolled in their program (the school had both a dental assistant and hygiene program). The Missouri Department of Higher Education has created a webpage to advise current students. Visit the MDHE Website 

ADA CERP: The Missouri Dental Association is an ADA CERP Recognized Provider. ADA CERP is a service of the American Dental Association to assist dental professionals in identifying quality providers of continuing dental education. ADA CERP does not approve or endorse individual courses or instructors, nor does it imply acceptance of credit hours by boards of dentistry. Concerns or complaints about a CE provider may be directed to the provider or to ADA CERP at
Curriculum Review & Updates: The EFDA curriculum was originally released in 2010 and updated in 2013, 2014 and 2015. The MDA EFDA Committee continually reviews the curriculum and makes adjustments and enhancements as needed. The curriculum expires three years from the most recent review date.