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Home » State Human Resources » Compensation & job classes » Classified Job Listing » Specifications » State of Washington Class Specification

State of Washington


<< Classified Job Listing

Abolished Date: 2011-08-12


Positions in this class are unlicensed, work under the close supervision (as defined in WAC 246-817-510) of a dentist, and assist dentists or dental students in the treatment of patients.

Distinguishing Characteristics

Positions work under direct supervision and perform routine dental assistant duties such as prepare patients, operate equipment, sterilize instruments, mix amalgam, and assist in the performance of expanded dental duties.

Typical Work

Seats patient, adjusts chair, and prepares patient for dentist; takes X‑rays of patients and develops, mounts, and files film and plates; 

Operates water, air and evacuating equipment; 

Sterilizes and prepares tray of instruments; fills, drains, and cleans sterilizer; folds and lays out linens; 

Prepares and mixes amalgam, composite, cement, and medicaments for restorations; mixes pumice for prophylaxis; prepares impression materials; cleans and polishes dentures; 

Prepares anesthetic syringes; 

Maintains dental records and files; makes dental charts; maintains inventory and requisitions supplies; 

Assists faculty and Dental Assistant 2’s in various fundamental four-handed techniques, such as correct chair positioning and coordinated placement and removal of rubber dam; 

Instruct patients in home care; 

Cleans and maintains dental chair and equipment; 

Performs other work as required.

Knowledge and Abilities

Knowledge of:  dental routine, terms, instruments, materials, and procedures; techniques of dental X‑ray; dental charting; types of sterilization and sterile techniques; record keeping. 

Ability to:  operate dental X‑ray unit; develop, mount, and file films and plates; make impression material for dentures and partial plates; polish and clean dentures; follow written and oral instructions; stand for long periods of time.

Legal Requirement(s)

There may be instances where individual positions must have additional licenses or certification. It is the employer’s responsibility to ensure the appropriate licenses/certifications are obtained for each position. 

Desirable Qualifications

Six months of experience in assisting a dentist. 

Completion of a vocational course in dental assistance work may be substituted for experience. 


Equivalent education/experience.

Class Specification History

New class, consolidates 6470 Dental Assistant I and 54100 Dental Assistant 1; adopted May 10, 2007, effective July 1, 2007.

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