Can You Become a Dental Assistant Without Going to School?
The short answer is: yes, you can, but how far that gets you depends on what state you're in and what you actually want to do on the job.
This is one of the most common questions people ask before getting into dental assisting, and it makes sense. Traditional school programs can take a year or more and cost thousands of dollars. If there's a faster path, people want to know about it.
Here's the honest breakdown.
What Most States Actually Require
Dental assisting is one of the few healthcare careers where formal schooling is not universally required. In many states, you can legally be hired as a dental assistant with zero prior training, and the dentist can train you on the job.
That's the good news.
The catch is that what you're allowed to do once you're hired varies a lot depending on:
Which state you work in
What specific procedures are involved
Whether the task is a basic support function vs. an expanded function
Basic tasks like handing instruments, suctioning, taking X-rays with on-the-job training, sterilizing equipment, and charting are generally fine without a formal credential in most states.
But the moment you move into expanded functions (anything where you're directly performing a clinical procedure on a patient), most states require a specific certification. And that's where school vs. no-school becomes a bigger deal.
What Illinois and Indiana Require
If you're working in Illinois, the state is relatively accessible for entry-level dental assistants. You can get hired without a formal degree or certificate and learn the basics on the job. However, if a dentist wants you to perform any of the following, you need IDFPR (Illinois Department of Financial and Professional Regulation) approval:
Coronal polishing - cleaning and polishing tooth surfaces
Pit and fissure sealants - applying protective coating to back teeth
Restorative functions - placing and finishing restorations (fillings)
These are considered expanded functions, and performing them without certification is a legal violation for both you and the dentist.
Indiana follows a similar structure. General chair-side work doesn't require formal certification, but expanded duties like coronal polishing and fluoride application require a state-approved course.
So yes, you can get your foot in the door without school. But if you want to be the DA who does more, earns more, and is more valuable to a practice, you're going to need the certifications.
Why Dentists Prefer Certified Assistants
Here's something worth knowing from the employer side: most dental offices actively prefer to hire certified assistants, even for positions that don't legally require it.
Why? A few reasons:
Less training time. A certified DA can contribute from day one. An uncertified hire needs weeks of on-the-job coaching before they're fully productive.
Less liability. Dentists are responsible for what happens in their practice. A certified assistant gives them documentation that the person was properly trained.
More flexibility. A certified DA can be assigned more tasks, which means the dentist and hygienist can focus on higher-level work.
If you're applying without any certification, you may still get hired, but you'll likely be competing against people who have certifications and you'll probably start at a lower pay grade.
The Fastest Path: Short Certification Courses
This is where it gets practical. You don't need a one-year program to get certified for dental assisting in Illinois or Indiana.
State-approved certification courses for expanded functions are typically weekend or short-format programs, not full dental assisting school. You can complete them in a matter of days, not months.
At Dental AssistEd, we offer IDFPR-approved courses designed exactly for this situation, whether you're someone who just got hired and needs to get certified, or someone who wants to increase your value before applying:
Coronal Polishing Course - required in Illinois to perform coronal polishing procedures
Pit and Fissure Sealants Course - required to apply sealants in Illinois
Coronal Polishing + Pit and Fissure Sealants (Combined) - both certifications together, better value
EFDA Restorative Course - the most advanced level, allowing you to place and finish restorations
Indiana Coronal Polishing + Fluoride - for assistants working in Indiana
These are not year-long programs. They're focused, hands-on courses that get you the specific credential you need to do the specific job.
So, What's the Right Move?
Here's a simple decision framework:
If you have zero experience and want to get started fast: Get hired as an entry-level dental assistant in Illinois or Indiana. Most practices will bring on someone without a certification for general chairside work. Once you're in, your employer may even sponsor your certification courses.
If you want to maximize your earning potential and job options: Get at least one certification before applying. Coronal polishing is one of the most common expanded functions requested by dental practices and a great starting point.
If you're already a dental assistant and want to do more: Look into the EFDA Restorative course. It's the highest-level expanded functions certification in Illinois and significantly increases what you're qualified to perform.
Want to Skip the Guesswork and Start with a Full Program?
If you'd rather come in fully trained, not just certified for one procedure but ready to work as a dental assistant from day one, we also offer an 8-Week Become a Dental Assistant Program.
This is the fast-track option for people who want to enter the field prepared, not piece things together after getting hired. In 8 weeks you'll cover everything you need to get started and build a real career in dental assisting.
Illinois residents: you may be able to attend for $0.
If you qualify for a WIOA grant (Workforce Innovation and Opportunity Act), the state of Illinois can cover your tuition entirely. This is a federal workforce funding program designed to help people get into in-demand careers, and dental assisting qualifies.
We guide students through the grant process so you're not navigating it alone. If you're in Illinois and cost is the thing holding you back, this is worth looking into before you assume you can't afford it.
Learn more about the program and the WIOA grant here →
The Bottom Line
You don't need to spend a year in dental assisting school to get started. In Illinois and Indiana, on-the-job training is a real and legal path into the profession.
But if you want to grow in this career, perform more procedures, earn more, and be a stronger candidate when applying, short certification courses are the most efficient investment you can make. A weekend course that earns you a state-approved certification will pay for itself quickly.
If you're in the Chicago area and ready to get certified, explore our courses at Dental AssistEd or reach out to us directly. We'll help you figure out which certification makes the most sense for where you are right now.
