NDAEB Actual exam finals 2024 (questions and answers)

NDAEB Actual exam finals 2024 (questions and answers) In relation to dental radiography, what term refers to the anatomical landmark used to identify a maxillary canine periapical film? - CORRECT ANSWER-Maxillary Sinus Prior to exposing a dental radiograph, placement of the lead apron over the patient protects which tissues? - CORRECT ANSWER-Gonadal A blood pressure cuff should be placed over which of the following arteries? - CORRECT ANSWER-Brachial What 3 factors are essential in order to produce accurate diagnostic casts? - CORRECT ANSWER-Water to powder ratio, mixing time and water temperature What is the name of the adhesive film that retains bacterial colonies to the teeth? - CORRECT ANSWER-Pellicle What radiograph image is most useful for inter proximal caries? - CORRECT ANSWERBitewing Which fluid provides lubrication during movements of the TMJ? - CORRECT ANSWERSynovial Fluid What is the correct way to store scrap amalgam? - CORRECT ANSWER-In a tightly closed mercury recycling container In a steam sterilizer, the distilled water is converted to steam then condensed back into liquid water. What happened to the condensed water? - CORRECT ANSWER-It is drained from the sterilizer and discarded down the drain in the sink A patient presents to the dental office with concerns about sensitivity on a lower canine tooth. The dentist performs an exam and diagnosis gingival recession and abrasion on the facial root surface of tooth 33. The patient has 100% coverage for diagnostic, preventive and restorative services. 1. What is the etiology of the sensitivity? 2. What could cause the tooth pathology? 3. What term refers to the dentist regarding dental insurance? 4. The patient should be encouraged to use a dentifrice containing fluoride and which other chemical agent? - CORRECT ANSWER-- Exposed dentinal tubules - Use of an abrasive dentifrice - Provider - Potassium nitrate A 24 year old patient presents for an emergency exam. During the interview it is noted that he is a heavy smoker and under emotional stress. The clinical findings are : a biofilm index of 3 with some ulceration of interdental papillae. 1. What condition does the patient have? 2. What is the recommended treatment? 3. What does the biofilm index assigned to the patient mean? - CORRECT ANSWER-1) Necrotizing periodontitis 2) Debridement, careful brushing at home, warm water rinses 3) Heavy biofilm accumulations on both tooth and gingival surfaces A 7-year old falls down some stairs, and is immediately transported to a hospital dental facility. Clinical exam reveals that tooth 11 has a fracture with pupal exposure and that 21 has been avulsed. The patients father has the avulsed tooth. 1. For the re-implantation of the 21 to have the highest success rate, how quickly should it be placed back into the alveolus? 2. How should the avulsed tooth be kept during transportation to the hospital? 3. What would be used to stabilize the re-implanted tooth? 4. What treatment would be correct for tooth 11? - CORRECT ANSWER-1) Within 30 minutes 2) Wrapped in wet gauze 3) An acrylic splint 4) Calcium Hydroxide pulp cap and interim resin restoration A 75 year-old patient presents at the dental office with a fractured 46. While reviewing the medical history, the dental assistant notes that the patient has rheumatoid arthritis and type II diabetes. The clinical exam also reveals generalized gingival recession, cervical tooth abrasion and several root caries. 1. What is the main cause of the patients oral conditions? 2. What is associated with the patients medical conditions? 3. What tooth brushing method should be recommended?4. Due to the patients disclosed medical condition, the DA may suggest what oral aid? - CORRECT ANSWER-1) Biofilm 2) Xerostomia 3) Bass sulcular 4) A modified toothbrush handl