An EFDA is an Expanded Function Dental Assistant, this is additional schooling that a Certified Dental Assistant or a Registered Dental Hygienist can complete to be able to perform a greater number of duties including placing some fillings! The EFDA program is very rigorous and it’s a year long. Fun Fact: Maine is one of 6 states that have EFDA’s! Meet our EFDA’s! Sadie, Crystal and Susan