← Path to RDH · Clinical exam
Dental Hygiene Licensure Objective Structured Clinical Examination (DHLOSCE)
Joint Commission on National Dental Examinations (JCNDE)
- Format
- Computer-based OSCE, no patient or manikin; 150 questions in four sections; includes 3D models; 7 h 35 min total appointment; given in testing windows
- Fee
- $575
- Passing standard
- Pass/fail; scale 49 to 99, 75 is the minimum passing score
- Retakes
- One attempt per testing window; after five attempts or five years, one attempt per six months
- Given by
- Prometric
- Accepted by
- Arizona, Kentucky, Oregon (Colorado pending), per the 2026 candidate guide
Sections
- Section One: 37 questions, 90 minutes
- Section Two: 38 questions, 90 minutes
- Section Three: 37 questions, 90 minutes
- Section Four: 38 questions, 90 minutes
What it covers
- 1. Assessment, Interpretation, Evaluation, and Reevaluation · 45%
- 1.1 Medical, Dental, and Psychosocial History (measured throughout)
- 1.2 Soft Tissue Evaluation (15%)
- 1.3 Hard Tissue Evaluation (15%)
- 1.4 Periodontal Assessment (35%)
- 1.5 Hard and Soft Deposits (20%)
- 1.6 Radiographic Technique (15%)
- 2. Dental Hygiene Care Planning and Evidence Based Treatment · 55%
- 2.1 Infection Control (10%)
- 2.2 Dental Hygiene Care Planning (25%)
- 2.3 Pain Control (15%)
- 2.4 Nonsurgical Periodontal Therapy and Adjunctive Therapy (40%)
- 2.5 Medical Emergencies (10%)
Notes
Guide updated 08/04/2026. Launched 2025. The $575 fee is described as introductory pricing for 2026 administrations.
Sources
- https://jcnde.ada.org/dhlosce
- https://jcnde.ada.org/-/media/project/ada-organization/ada/jcnde/files/dhlosce_candidate_guide.pdf
Checked 2026-10-03.