DelawareNo state credential for basic dental assistants; radiography certification required for x-rays only Requirements

Program Length

N/A for basic DA

Minimum Education

No state-mandated minimum for basic DA

Many states allow dental assistants to enter the profession through on-the-job training (OJT), while others require completion of a CODA-accredited dental assisting program. Requirements vary significantly by state and credential level.

DANB CDA Details

DANB CDA not required; DANB RHS accepted as one pathway for radiography certification

Radiology Certification Details

Delaware Dental Radiation Technician certification required to take x-rays; since January 1, 2016 applicants must pass the DANB RHS exam (the Delaware-specific DDRT exam was discontinued December 31, 2015); DANB CDA holders are exempt from separate RHS requirement

No state exam for basic DA; DDRT exam available as alternative to DANB RHS for radiography only

The DANB Certified Dental Assistant (CDA) credential is the nationally recognized standard, though not all states require it. Radiology certification is commonly required to take dental X-rays. CPR certification is required in most states.

Expanded functions allow dental assistants to perform additional procedures beyond basic chairside duties. Some states require a separate Expanded Functions Dental Assistant (EFDA) credential, additional training, or specific coursework to perform these duties.

Direct Supervision Procedures

All delegated clinical duties including radiographs (with certification)

General Supervision Procedures

Sterilization, administrative duties

Dental assistants work under varying levels of supervision depending on the procedure. Direct supervision means the dentist must be physically present and authorize the procedure. Indirect supervision means the dentist is on-site. General supervision means the dentist has authorized the procedures but need not be on the premises.

Regulatory Board

Dental assistant credentials must be renewed on schedule. Most states require continuing education covering infection control, radiology safety, and dental practice updates. CPR certification renewal is required in most jurisdictions.

Reciprocity Requirements

• •No state credential to transfer; basic DA is unregulated
• •Radiography certification (DANB RHS or DDRT) required for x-ray privileges

Dental assistant credential reciprocity varies by state. States with similar requirements may offer endorsement pathways, while others require a full application including verification of education, certification, and work experience.