Learn How to Become a Dental Assistant

Dental assistants are important members of dental practices because they are responsible for a variety of duties that help both dentists and administrative staff.

Job Duties

Responsibilities will differ a bit based on state guidelines as well as the size of the practice.

Administrative tasks – When assistants are not helping dentists treat patients, they may confirm and schedule appointments, handle billing, and order dental supplies.

Clinical duties – These vary based on a patient’s needs and can include taking and developing x-rays, handing dental tools to the dentist during exams, and taking impressions of a patient’s teeth for casts.

Other Skills

Along with being proficient with the above duties, dental assistants should:

  • Be good active listeners
  • Have good communication skills
  • Have good time management skills

Now that you know some of what the job entails, here is how to become a dental assistant:

Educational Requirements

There are roughly 270 dental assisting programs in the United States accredited by the Commission on Dental Accreditation. These programs take anywhere from nine months to two years to complete depending on if you are earning an associate degree, certificate, or diploma. These programs are offered at dental schools, community colleges, technical institutes, universities, and vocational schools. Coursework often includes:

  • Dental materials
  • Dental office administration
  • Dental pharmacology
  • Dental radiography
  • Oral anatomy

If you wish to start working as soon as you graduate high school, you may be able to depending on the state in which you live. Some states allow assistants to work without completing a dental assistant program as long as they have a high school diploma. You would receive on the job training from both the dentist and the other dental assistant(s).

How to Become a Dental Assistant


Participation in an externship is voluntary, however, it is a great way to gain experience and it looks good on a resume. During this time, students are able to practice their skills in the areas of chairside assisting, dental pharmacology, dental pathology, dental radiology, and oral anatomy.


Most dental assistants take the Certified Dental Assistants (CDA) exam offered by the Dental Assisting National Board (DANB). In order to take the exam, you must:

  • Have graduated from an accredited dental program, or
  • Have a high school diploma along with two years full-time or four years part-time work experience as a dental assistant.
  • Obtain CPR certification


The exam contains 320 questions and includes the following components:

  • General Chairside
  • Infection Control
  • Radiation Health and Safety

State regulations vary, so you may not need to take the examination. However, it looks good when you apply for a job and may give you more opportunities.

Working in a Specialty

Dental assistants can work in general dentistry or they can choose to specialize in one of the other areas of oral care. They include endodontics, dentofacial orthodontics, maxillofacial surgery, pediatric dentistry, periodontics, and prosthodontics.

Other Certification

If you wish to work in a specialized area, you may need one of the following certifications in addition to the CDA certification:

  • Orthodontic Dental Assistant
  • Preventive Functions Dental Assistant
  • Restorative Functions Dental Assistant

Job Outlook and Salary

Dental assisting is one of the fastest growing occupations in the United States, and the U.S. Bureau of Labor Statistics says that a 25% job growth is expected to span a number of years, ending in 2022. There are several reasons for this growth. One of them being insurance companies have expanded coverage in the last few years, increasing the number of patients in dental offices. Another reason is there is more public awareness about good oral health leading to good general health.

Salary ranges from $24,220 to $48,350, and depends on geographical location, education, and employer.

If you would like to learn more about becoming a dental assistant, contact us.