Central Regional Dental Testing Service

Over 50 Years of Dental and Dental Hygiene Testing Excellence!

Trust the Dental Exam Professionals

Experts in Dental Testing

For over 50 years, Central Regional Dental Testing Service has been a mainstay in national clinical testing as a pathway toward licensure. We develop and administer fair and reliable examinations for candidates wishing to practice dental and dental hygiene. Our examinations are recognized and accepted in over 40 states nationwide (and growing).

Our Mission

CRDTS strengthens clinical competency through trusted, data-driven assessments and supportive professional development.

Our Vision

A future where public safety and professional excellence define oral healthcare for every patient.

Our Values

  • Integrity: We uphold ethical standards, transparency, and accountability in every assessment and decision.
  • Innovation: We adapt thoughtfully to strengthen licensure and meet the evolving needs of the workforce.
  • Credibility: We rely on evidence, data, and validated standards to guide our assessments and decisions.
  • Collaboration: We work in partnership with industry leaders, educators, and clinical stakeholders to advance shared goals.

Same Day Exam Results

Same day exam results and on-site retakes available at the majority of our exam locations.

Simulated Patient (Manikin) Examinations

Simulated patient examination options for both dental and dental hygiene. A written Oral Assessment OSCE will be presented to candidates on-site for both dental and dental hygiene exams.

Independent Testing Sites

Independent Testing Sites available for candidates to sit for an exam with the freedom to test when their schedule allows.

Same Day Exam Results

Same day exam results and on-site retakes available at the majority of our exam locations.

Simulated Patient (Manikin) Examinations

Simulated patient examination options for both dental and dental hygiene. A written Oral Assessment OSCE will be presented to candidates on-site for both dental and dental hygiene exams.

Independent Testing Sites

Independent Testing Sites available for candidates to sit for an exam with the freedom to test when their schedule allows.

Proud to Partner with Industry Leaders

Now Offering Remediation and Re-education Options

Learn More

Our Portability Map

Intended as a guide for finding licensure information, not as a definitive source for State Dental Board rules and regulations, which are subject to change. A link to each state dental board’s website can be accessed by clicking on the state.

It is the responsibility of the applying candidate to confirm acceptance of the CRDTS exam and to determine whether a simulated patient exam is acceptable and/or if any additional components are required in a respective state.

States in Blue accept CRDTS Clinical exams for Initial Licensure.

States in Gray Accept CRDTS exams via Credentialing

✱ States with an Asterisk are CRDTS Member States (actively participate in the development and administration of CRDTS exams).

States with Diagonal Lines Accept CRDTS Hygiene for Initial Licensure and Dental via Credentialing