NDAEB Sample Questions and Answers

In relation to dental radiography, which one of the following terms refers to the anatomical landmark used to identify a maxillary canine periapical film? 1. Maxillary sinus. 2. Mental foramen. 3. Bifurcated roots. 4. Maxillary tuberosity. 1. Maxillary Sinus Prior to exposing a dental radiograph/image, placement of the lead apron over the patient protects which one of the following tissues? 1. Vascular. 2. Gonadal. 3. Muscular. 4. Digestive. 2. Gonadal A blood pressure cuff should be placed over which one of the following arteries? 1. Pulmonary. 2. Brachial. 3. Carotid. 4. Radial. 2. Brachial Which three factors are essential in order to produce accurate diagnostic casts? 1. Water to powder ratio, temperature of gypsum and force of mixing. 2. Water temperature, form of gypsum used and force of mixing. 3. Water to powder ratio, mixing time and water temperature. 4. Type of spatula used, vibration and water temperature. 3. Water to powder ratio, mixing time, and water temperature What is the name of the adhesive film which retains bacterial colonies to the teeth? 1. Striae. 2. Pellicle. 3. Calculus. 4. Materia alba. 2. Pellicle Which one of the following radiographic images is most useful in detecting interproximal caries? 1. Panoramic. 2. Periapical. 3. Bite-wing. 4. Occlusal. 3. Bite-wing Which one of the following fluids provides lubrication during the movements of the temporomandibular joint? 1. Blood. 2. Saliva. 3. Synovial fluid. 4. Lymphatic fluid. 3. Synovial Fluid