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Dental Assistant Certifications Compared: Which One Should You Choose in 2026?

If you've spent any time researching how to become a dental assistant, you've probably noticed that the certification landscape looks like alphabet soup – Registered Dental Assistant (RDA), Certified Dental Assistant (CDA), Expanded Functions Dental Assistant (EFDA), and a handful of state-specific credentials that seem to contradict each other depending on which website you're reading. Picking the wrong one can delay your job search by months or lock you out of higher-paying roles in states where specific credentials are mandatory.

April 14, 2026
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