Registered Dental Assistant

  • Contra Costa County, CA
  • Contra Costa County, California
  • Jun 17, 2022
Full Time Accounting and Finance Public Health
  • Salary: $49,988.64 - $60,761.40 Annually USD

Job Description

The Position


Bargaining Unit: Local 856 - Attendant/LVN/Aides Unit

The Contra Costa County Health Services Department is accepting applications on an ongoing basis for Registered Dental Assistant positions, which may be assigned to the Contra Costa County Regional Medical Center in Martinez or to the Health Services Department health centers located in Richmond, Pittsburg, and Brentwood.

Registered Dental Assistants prepare patients for dental treatment and examinations and assist the Dentist at the chair during patient treatment. They review patient records to determine the instruments and materials that will be needed, take and develop x-rays of teeth and jaws and provide routine post-operative instructions to patients. Dental Assistants also mix cements, silver amalgams, and impression materials and take pre-impressions for dentures. In addition, they sterilize instruments, utensils, dressings, and equipment; clean dental rooms and equipment; and inventory and order supplies as needed. Other duties include maintaining patient records, scheduling patients, keeping inventory, ordering supplies, and other related work as required.

Typical Tasks
  • Prepares patients for treatment and examination by seating the patient, adjusting the chair at a convenient angle and draping the patient
  • Reviews patient's record to determine what instruments and material will be needed and lays them out
  • Passes instruments and materials to the dentist upon request
  • Provides oral suction, retraction and other assistance during oral surgery
  • Removes excess cement after permanent crown cementation
  • Fits and cements temporary crowns
  • Places post-extraction and periodontal dressings
  • Placement and litigation of arch wires
  • May perform coronal polishing of the teeth
  • Takes x-rays of teeth and jaws and develops the film
  • Mixes cements, silver amalgams and impression materials
  • Takes pre-impressions for dentures
  • Tests pulp vitality
  • May dry canals previously opened by the dentist with absorbent points
  • Provides routine post-operative instructions to patients
  • Sterilizes instruments, utensils, dressings and equipment
  • Cleans dental rooms and equipment
  • Maintains patient records by indicating the type of work performed
  • Procures charts and records needed by the dentist
  • Schedules patients
  • Inventories supplies and orders routine supplies as needed
  • Conducts oral health education with individuals and groups
  • Assists in dental screenings, placing dental sealants and fluoride varnish of patients in community settings
  • Provides oral health case management services for patients
  • Transports equipment and/or instruments to and from sites as needed
  • Assists with administrative or programmatic projects as needed
  • Attends meeting as required
  • May be required to travel to off-site meetings and clinics
  • Provide and promote excellence in customer service for both internal and external customers

Minimum Qualifications
License Required: Possession of a valid California Motor Vehicle Operator's License. Out of state valid Motor Vehicle Operator's License will be accepted during the application process.


Possession of a current license as a Registered Dental Assistant issued by the Dental Board of California.

Certification: Possession of a valid Basic Life Support (BLS) issued by the American Heart Association or Cardio-Pulmonary Resuscitation (CPR) issued by the American Red Cross throughout the duration of employment.

May be required to possess a valid sealant certification for specific Public Health programs.


Selection Process

1. Application Filing: All applicants, including County employees, are to apply on-line at Contra Costa County Department of Human Resources, and submit the required information as indicated on the job announcement by the final filing date listed above. All applicants must clearly demonstrate that they meet the minimum qualifications provided on the job announcement. Resumes may not be substituted for the official County application. Paper, faxed, or late applications WILL NOT be accepted. To view the typical tasks, knowledge, skills, and abilities associated with this position, please visit our website to see the detailed job description. Please see additional locations to apply on the reverse side of this announcement.

2. Application Evaluation: Depending on the number of applications received, an Application Evaluation Board may be convened to evaluate and select the best-qualified candidates for invitation to the next phase of the examination.

3. Examination: The examination will consist of an evaluation of each candidate's relevant education, training and/or experience as presented on the application and supplemental questionnaire. Candidates must receive a rating of at least 70% from a majority of the Board members to be ranked on the employment list. (Weighted 100%)

The Human Resources Department may change the examination steps noted above in accordance with the Personnel Management Regulations and accepted selection practices.

As of August 24, 2021, Contra Costa County enacted a mandatory COVID-19 vaccine requirement for employees. Proof of full vaccination or approved exemption is required of all employees, including new hires. The policy requirements can be found here :

After you receive a conditional job offer, you will be fingerprinted, and your fingerprints will be sent to the California Department of Justice (DOJ) and the Federal Bureau of Investigation (FBI). The resulting report of your conviction history (if any) will be used to determine whether the nature of your conviction conflicts with the specific duties and responsibilities of the job for which you have received a conditional job offer. If a conflict exists, you will be asked to present any evidence of rehabilitation that may mitigate the conflict, except when federal or state regulations bar employment in specific circumstances. Having a conviction history does not automatically preclude you from a job with Contra Costa County. If you accept a conditional job offer, the Human Resources department will contact you to schedule a fingerprinting appointment.

All Contra Costa County employees are designated Disaster Service Workers through state and local law. Employment with the County requires the affirmation of a loyalty oath to this effect. Employees are required to complete all Disaster Service Worker-related training as assigned, and to return to work as ordered in the event of an emergency.

It is the policy of Contra Costa County to consider all applicants for employment without regard to race, color, religion, sex, national origin, ethnicity, age, disability, sexual orientation, gender, gender identity, gender expression, marital status, ancestry, medical condition, genetic information, military or veteran status, or other protected category under the la
ry under the law.

Job Address

Contra Costa County, California United States View Map