Some courses are taught over a six month span and some are taught over a nine month span. Always contact the individual program for more information about the program they offer. EFDAs help the schedule to be more flexible in order to accommodate emergencies and new patients without great interruption in the schedule. EFDAs can place and finish metallic and nonmetallic restorations, enabling the dentist to have more time with other things and other patients. EFDAs have a lot of things they are able to do after becoming certified including: bonding brackets, removing temporary restorations for endodontic access, adjusting indirect restorations intraorally, impressions for removable partial dentures, final bonding of orthodontic brackets, placing pit and fissure sealants, and many more. EFDAs are more popular in the city, but are becoming more common in the rural area. The location of the office can determine the pay the EFDA will receive. Ohio EFDA wages are normally higher than a basic dental assistant and lower than a dental hygiene wages. Again this all depends on the location and size of the