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Radiography Requirements

There are no radiography requirements for dental assistants in the state of Missouri.

All dental assistants may legally operate dental x-ray equipment and perform dental radiographic procedures.

Missouri Dental Assisting Job Titles and Requirements

Dental Assistant

A dental assistant in the state of Missouri may perform basic supportive dental procedures specified by the state dental practice act under the direct supervision of a licensed dentist.

There are no education or training requirements for this level of dental assisting.

A dental assistant or holder of DANB's CDA certification may, under direct supervision, assist in the administration of and monitor nitrous oxide analgesia if he or she meets the following requirements:

1. Complete one of the following:

a. Successfully complete formal certified training in a course approved by the Missouri Dental Board AND pass an approved competency test regarding clinical and didactic training OR

b. Submit proof to the Missouri Dental Board of having been certified in another state to assist the administration of and monitoring of nitrous oxide subsequent to equivalent training and testing

AND

2. Obtain a permit from the Missouri Dental Board

Expanded-Functions Dental Assistant

To perform expanded functions under the direct supervision of a licensed dentist in the state of Missouri, an expanded-functions dental assistant must hold an expanded functions permit from the Missouri Dental Board. To earn the expanded functions permit, one must:

1. Complete one of the following:

a. Hold DANB Certified Dental Assistant (CDA) certification and graduate from a CODA-accredited dental assisting program in which competency testing in the appropriate expanded functions category* was completed, OR

b. Hold DANB CDA certification and complete a Missouri Dental Board-approved expanded functions training course, OR

c. Pass the Missouri Test of Basic Dental Assisting Skills (administered by DANB or another Missouri Dental Board-approved provider) and complete a Missouri Dental Board-approved expanded functions training course

AND

2. Hold current certification in the American Heart Association’s Basic Life Support for the Healthcare Provider (BLS), or an equivalent certification approved by the Missouri Dental Board
AND

3. Submit proof of meeting requirements along with application form and established fee to the Missouri Dental Board

*Expanded functions permits are issued in five categories: Restorative I, Restorative II, Orthodontics, Fixed Prosthodontics, and Removable Prosthodontics.

Note: Any dental assistant or certified dental assistant to whom a dentist could legally delegate expanded functions duties prior to December 1, 2012, or any dental assistant or certified dental assistant who meets the qualifications for a board-issued expanded functions permit prior to December 1, 2012, may submit their proof of competence to the Missouri Dental Board and be issued an expanded functions permit prior to December 1, 2012.

Missouri Test of Basic Dental Assisting Skills (MBDA) exam (PDF)

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