© 1998 – 2024 National Dental Assisting Examining Board 41 Candidate Handbook for the Written Examination – 2023 ITEM 26 What type of provisional restoration would be best for this patient? 1. Custom acrylic. 2. Zinc oxide eugenol. 3. Preformed aluminum. 4. Porcelain fused to metal. Domain reference: 5.11.4 ITEM 27 What will the alginate impression be used for? 1. An opposing arch model. 2. As a matrix for the provisional. 3. To design the anatomy of the retainers. 4. To determine the occlusal clearance required. Domain reference: 5.11.4 ITEM 28 How many units will the patient’s bridge consist of? 1. 2 2. 3 3. 4 4. 5 Domain reference: 5.11.2 VIGNETTE ITEMS 29 – 32 A patient presents for an emergency examination of tooth 16. The tooth has been sensitive to pressure for several weeks and the patient indicates that it is getting worse. The dentist does an intra-oral examination and prescribes a direct digital periapical radiograph of the area. The dental assistant is directed to assemble equipment and supplies for pulp vitality testing. ITEM 29 Where would the dental assistant place the sensor for the prescribed image? 1. At 90 degree angle to the long axis of the tooth. 2. Away from the tooth, near the vault of the palate. 3. Vertically positioned, as close to the tooth as possible. 4. Horizontally positioned, slightly away from the mylohyoid ridge. Domain reference: 5.2.3.8
RkJQdWJsaXNoZXIy MzA1NjE=