© 1998 – 2024 National Dental Assisting Examining Board 39 Candidate Handbook for the Written Examination – 2023 ITEM 18 How should the avulsed tooth have been kept during transportation to the hospital? 1. In disinfectant. 2. Wrapped in wet gauze. 3. In a container of liquid fluoride. 4. Wrapped in a dry, sterile gauze or bandage. Domain reference: 5.3.4 ITEM 19 What would be used to stabilize the re-implanted tooth? 1. An acrylic splint. 2. Temporary cement. 3. A custom-fit mouthguard. 4. Polyvinyl siloxane or silicone. Domain reference: 5.3.4 ITEM 20 Which one of the following treatments would be correct for tooth 11? 1. Zinc-oxide-eugenol sedative restoration. 2. Glass ionomer base and stainless steel crown. 3. Calcium hydroxide pulp cap and interim resin restoration. 4. Desensitizing dentin sealer, pin-retained composite resin restoration. Domain reference: 5.9.3 VIGNETTE ITEMS 21 – 24 A 75-year-old patient presents at the dental office with a fractured tooth 46. While reviewing the medical history, the dental assistant notes that the patient has rheumatoid arthritis and type II diabetes. The clinical examination also reveals generalized gingival recession, cervical tooth abrasion and several root caries. ITEM 21 What is the main cause of this patient’s oral conditions? 1. Biofilm. 2. Calculus. 3. Medications. 4. Materia alba. Domain reference: 2.4.2
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