© 1998 – 2024 National Dental Assisting Examining Board 24 Candidate Handbook for the Written Examination – 2024 5.2.2.4. Obtain mandibular and maxillary impressions following procedural steps 5.2.2.5. Evaluate, disinfect and prepare impressions for storage or pouring 5.2.2.6. Pour impressions for study models 5.2.2.7. Fabricate, trim, label and store study models 5.2.2.8. Obtain, evaluate and disinfect bite registrations 5.2.2.9. Provide pre-operative, operative and post-operative information/instructions 5.2.3. Produce and evaluate radiographic images 5.2.3.1. Describe components of x-ray machines and their functions 5.2.3.2. Describe factors that affect the quantity and quality of the x-ray beam 5.2.3.3. Describe composition and types of radiographic imaging receptors 5.2.3.4. Describe care, storage and handling of radiographic imaging receptors 5.2.3.5. Describe the biological effects of radiation exposure on patients and staff, and the purpose, equipment and processes for radiation monitoring 5.2.3.6. Define the types of radiographic images and the rationale for their use 5.2.3.7. Provide pre-exposure information and instructions to the patient or caregiver and obtain informed consent 5.2.3.8. Apply principles of extra-oral and intra-oral radiographic imaging techniques 5.2.3.9. Select and prepare equipment and supplies specific to the patient’s dentition and anatomy 5.2.3.10. Expose prescribed radiographic images in accordance to A.L.A.R.A. principles 5.2.3.11. Upload radiographic image(s) to the patient’s record 5.2.3.12. Evaluate radiographic images for technical quality, accuracy and diagnostic information 5.2.3.13. Explain causes and corrective measures for radiographic image exposure errors 5.2.3.14. Explain image enhancement functions associated with software programs 5.2.3.15. Describe radiographic image duplicating, transferring and archiving procedures 5.2.3.16. Describe the appearance of radiopaque and radiolucent structures on an image 5.2.3.17. Identify and describe anatomical landmarks and dental anomalies on radiographic images, including whether they are radiolucent or radiopaque 5.3. EMERGENCY CARE 5.3.1. Assist with the assembly and maintenance of basic emergency supplies, drugs and equipment 5.3.2. Assist in the prevention and management of in-office patient emergencies 5.3.3. Identify and interpret signs and symptoms of medical conditions for the prevention and management of medical emergencies 5.3.4. Assist in the management and treatment of dental and medical emergencies within the dental facility
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