Dental Assisting National Board (DANB) · Current DANB-linked RHS Exam Outline and References, effective March 12, 2025. The assigned workbook label identifies RHS through its relationship to Certified Dental Assistant certification; RHS is a component examination, not the complete CDA examination. Clinical recommendations are contextualized through October 19, 2026.

This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.

• Radiation Health and Safety — DANB
• Radiation Health and Safety (RHS): Exam Outline and References
• New Recommendations Confirm Dental X-Rays Most Effectively Used in Moderation
• X-Rays/Radiographs — American Dental Association
• Radiation Protection in Dental Radiology — IAEA Safety Reports Series No. 108
• Dental Cone-beam Computed Tomography — FDA
• Radiation Quantities and Units — FDA
• Radiation Terms and Units — US EPA
• Radiation Health Effects — US EPA
• Intraoral Radiographic Techniques — Dentalcare CE559
• Principles of Accurate Image Projection — Dentalcare CE559
• Technique Errors — Dentalcare CE559
• Overview of Intraoral Image Receptors — Dentalcare CE559
• Exposure and Miscellaneous Errors — Dentalcare CE559
• Causes and Appearance of Errors in Technique — Dentalcare CE533
• Diagnostic Criteria — Dentalcare CE589
• Normal Radiographic Appearance of Teeth — Dentalcare CE651
• Normal Radiographic Appearance of the Supporting Structures of the Teeth — Dentalcare CE651
• Universal Tooth Numbering System — Dentalcare CE651
• Sterilization and Disinfection — CDC
• Standard Precautions — CDC
• Best Practices for Personal Protective Equipment — CDC
• Best Practices for Sterilization Monitoring in Dental Settings — CDC
• Guidelines for Infection Control in Dental Health-Care Settings — 2003