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Instructor guiding a student through chairside dental assisting practice in Roseville, California.
Career Guide

How to Become a Dental Assistant in California

California is one of the few states that regulates dental assisting in detail, so knowing the difference between an unlicensed dental assistant, a Registered Dental Assistant (RDA), and the certificates each role needs saves you time and money. This guide walks through how most people start a dental assisting career in California and where hands-on training fits in.

8 min read

What a dental assistant actually does

Dental assistants keep the clinical side of a dental office running. They seat and prepare patients, pass instruments chairside, take and process dental x-rays (once certified), maintain infection control, sterilize instruments, take impressions, and help patients understand their treatment.

In California, the duties you are allowed to perform depend on your status. An unlicensed dental assistant handles basic supportive tasks, while a Registered Dental Assistant (RDA) can perform additional allowable duties after licensure.

Unlicensed dental assistant vs. Registered Dental Assistant

Most people begin as an unlicensed dental assistant. This is the entry point that lets you earn income and build the chairside experience California later counts toward RDA licensure.

The RDA credential is issued by the Dental Board of California and expands the duties you can legally perform. It is not required to start working, but it raises your earning potential and career options.

  • Unlicensed dental assistant: entry-level, no state license required to begin, but board-approved Infection Control and Dental Practice Act courses are mandatory.
  • Registered Dental Assistant (RDA): requires qualifying work experience, required course certificates, an application to the Dental Board, and passing the written and law-and-ethics exam.

The typical step-by-step path

There is no single mandated route, but most successful new assistants follow a similar sequence.

  • Complete a hands-on dental assisting training program to learn chairside skills, terminology, and workflow.
  • Complete the required 8-hour Infection Control course and a Dental Practice Act course.
  • Add BLS/CPR certification, which nearly every dental office requires.
  • Get x-ray certified through a Radiation Safety course so you can take chairside images.
  • Apply for entry-level dental assistant roles and build qualifying chairside experience.
  • When you are eligible, complete RDA-track courses (such as Coronal Polish and Sealants) and apply for RDA licensure.

Do you need a training program?

California does not require a formal program to work as an unlicensed dental assistant, but most offices strongly prefer candidates who already have hands-on training. A focused program compresses months of on-the-job trial and error into a few weeks and helps you walk in job-ready.

Roseville Dental Academy's 9-week Dental Assisting Program is built for this. It combines online lectures with chairside practice and a 64-hour internship, and it bundles the certificates offices look for, including Infection Control, Radiation Safety, and BLS/CPR.

Verify current requirements with the Dental Board

Dental assisting rules, required courses, and certificate timing windows can change. Always confirm the current requirements directly with the Dental Board of California before you register for a course or apply for licensure.

The Dental Board publishes the official duties, required-course lists, and RDA application steps on its website at dbc.ca.gov.

Frequently asked questions

Do you need a license to be a dental assistant in California?

No. You can work as an unlicensed dental assistant in California without a state license. However, you must complete a Dental Board approved 8-hour Infection Control course and a Dental Practice Act course, and most offices also require BLS/CPR. A license (RDA) is only required to perform additional allowable duties.

How do I start as a dental assistant with no experience?

Most people with no experience begin with a short, hands-on dental assisting training program that teaches chairside skills and includes the required certificates, then apply for entry-level roles. Roseville Dental Academy's 9-week program includes a 64-hour internship plus resume and job assistance to help you get hired.

Is dental assisting a good career in California?

Dental assisting is a stable, in-demand entry point into healthcare. Dental assistant employment is projected to grow, and California's large number of dental offices creates steady local demand. It also offers a clear path to higher pay through RDA licensure.

What is the difference between a dental assistant and an RDA?

A dental assistant (unlicensed) performs basic chairside support and can begin without a state license. A Registered Dental Assistant (RDA) is licensed by the Dental Board of California, can perform additional allowable duties, and typically earns more. Becoming an RDA requires qualifying work experience, specific course certificates, and a state exam.

Courses and classes to get you started

9-Week Dental Assisting Program
Hands-on, 210-hour training with online lectures, chairside practice, a 64-hour internship, and resume and job assistance.
Infection Control (IC189)
California Dental Board approved 8-hour course required for unlicensed dental assistants.
Radiation Safety & X-Ray (X1036)
32-hour board-approved course to become x-ray certified for chairside imaging.

Roseville Dental Academy

Ready to start your dental assisting career?

Train hands-on in Roseville with a 9-week program that includes chairside practice, an internship, and resume and job assistance. Ask admissions about the next class date.

This guide is general information, not legal or licensing advice. Dental assisting requirements in California can change — always verify current rules, required courses, and timelines with the Dental Board of California.