NDAEB Exam Study Guide | 2024 Questions & Answers | 100% Correct | Verified, Exams of Dentistry

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NDAEB Exam Study Guide | 2024 Questions & Answers | 100% Correct | Verified In relation to dental radiography, what term refers to the anatomical landmark used to identify a maxillary canine periapical film? - ✔✔Maxillary Sinus Prior to exposing a dental radiograph, placement of the lead apron over the patient protects which tissues? - ✔✔Gonadal A blood pressure cuff should be placed over which of the following arteries? - ✔✔Brachial What 3 factors are essential in order to produce accurate diagnostic casts? - ✔✔Water to powder ratio, mixing time and water temperature What is the name of the adhesive film that retains bacterial colonies to the teeth? - ✔✔Pellicle What radiograph image is most useful for inter proximal caries? - ✔✔Bitewing Which fluid provides lubrication during movements of the TMJ? - ✔✔Synovial Fluid What is the correct way to store scrap amalgam? - ✔✔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? - ✔✔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? - ✔✔- 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? - ✔✔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? - ✔✔1) Within 30 minutes 2) Wrapped in wet gauze 3) An acrylic splint 4) Calcium Hydroxide pulp cap and interim resin restoration What type of stain is present on a 12 year old patient that has staining on the buccal surfaces of maxillary permanent molars and lingual surfaces of lower anterior teeth. The recorded biofilm index is 2. - ✔✔Yellow What is the rationale for obtaining vital signs? - ✔✔To confirm the patients health status is at a level of well being by taking their 1. temperature 2. pulse 3. respiration 4. blood pressure A normal pulse rate for an adult is between 60-____ bpm. While a child's normal rate is between 70 - ____ bpm. - ✔✔100 120 How do you check a pulse? - ✔✔With the patients arm at the same level as or lower than the heart, extended straight out, the pulse can be found on the side of the neck, on the inside of the elbow, or at the wrist. The most common place to take a patients pulse is the _____ artery. - ✔✔radial The most common place to take a patients blood pressure is the ______ artery. - ✔✔brachial A normal body temperature reading ranges between 97.6-___ F ( 36.4-37.3 C) - ✔✔99 Several areas of the body can be used to take a temperature reading. Under the _____, inside the ____, under the arm, or in the _______. - ✔✔tongue ear rectum The normal range of a respiration rate for a relaxed adult is ____-____ breaths per minute. For a child or teen it should be between ____-____ breaths per minute. - ✔✔10-20 30 What is the normal range for blood pressure? - ✔✔120 Systolic 80 Diastolic What are some factors that affect vital signs? - ✔✔Temperature - time of day, virus, hot or cold beverage, post gym Respiration - if they are aware you are watching, post gym Blood pressure - nervous, post gym Pulse - post gym What is the rationale for performing diagnostic procedures? - ✔✔For the dentist to make an accurate diagnosis, he or she must review MH, DH and discuss all health concerns with the patient then continue the extra oral and intraoral exam, evaluate radiographs, photographs and study models and discuss plan of treatment. State the rationale for obtaining preliminary impressions for the fabrication of study models - ✔✔Preliminary impressions are used to create a reproduction of the teeth and surrounding tissues. A preliminary impression is used for diagnostic models, ________ _______, provisional coverage, _________ ________ and pretreatment and _______________ records. - ✔✔custom trays ortho appliances post treatment A bite registration is taken to produce a reproduction of the ________ relationship of the max and _____ teeth when the mouth is ________. Providing the dentist with an accurate ______ relationship. - ✔✔occlusal mand occluded centric What are the 2 basic impression trays - ✔✔stock & custom A quadrant tray covers _____ of an arch. A section tray covers the ______ portion of the arch and a full- arch tray covers the entire arch. - ✔✔half anterior When would softened utility wax be added to the palate area of the impression tray? - ✔✔For a patient with an unusually high palate What type of impression tray allows the impression material to lock on mechanically? - ✔✔perforated surface tray An impression is a ______ reproduction of the structures and the model created from the impression is a _______- reproduction of the structures. - ✔✔negative positive A _______ _____ and _____ _____ tray can be used for final impressions. - ✔✔bite tray and triple tray Alginate is an ________ hydrocolloid. It's shelf life is approximately ___ _____. Most impressions must be poured up within an ______. - ✔✔irreversible one year hour Imbition can occur if an impression is left in ______ it will _______ and _______. Syneresis can occur if an impression is left in the _____ _____ causing it to the _______. - ✔✔liquid absorb expand open air - Milliampere-Seconds(mAs) - Density and Milliamperage - Exposure time and Milliamperage Composition of dental x-ray film - ✔✔lead coil, radiograph film, black paper Types of digital imaging receptors - ✔✔Direct & Indirect What do you call the solid state sensor that contains an x-ray sensitive silicon chip with an electronic circuit embedded in the silicon? - ✔✔Direct digital imaging What commonly used Direct digital receptor, used in variety of other Imaging devices like fax, telescope etch. - ✔✔Charge coupled Device (CCD) What is the type of Indirect Imaging system, where the imaging receptor is a thin flexible plate, same as the size of conventional x-ray film - ✔✔Phosphor Storage Plate (PSP) In digital radiography, what replaces the intra-oral film? - ✔✔CCD what digital technique requires scanning of image receptors? - ✔✔Phosphor storage plate What is the anatomical landmark in between the roots of the maxillary central incisors? Is it radiopaque or radiolucent? - ✔✔Incisive foramen radiolucent What is the anatomical landmark above the maxillary central incisors? Is it radiopaque or radiolucent? - ✔✔Superior foramina radiolucent On an anterior maxillary pa image, the ______ _______ appears as a radiolucent area between the maxillary canine and lateral incisor. - ✔✔Lateral Fossa What is the anatomical landmark on a PA film that extends from the alveolar bone between the maxillary central incisors to the posterior hard palate. It is a radiolucent line. - ✔✔Median Palatal Suture What is the anatomical landmark for an anterior maxillary pa image, the nasal cavity appears as large radiolucent area superior to the maxillary incisors. - ✔✔Nasal Cavity What is the anatomical landmark for an anterior maxillary pa image, the nasal septum appears as a vertical radiopaque partition that divides the nasal cavity. - ✔✔Nasal Septum What lesions are below the mucosal surface? - ✔✔Erosion, abscess and cysts What is the anatomical landmark for an anterior maxillary pa image, the floor of the nasal cavity appears as a dense radiopaque band of bone superior to the maxillary incisors. - ✔✔Floor of nasal cavity What is the anatomical landmark for an anterior maxillary pa image, that appears as a V-shaped radiopaque area located at the intersection of the floor of the nasal cavity and the nasal septum - ✔✔Anterior nasal spine Obturate - ✔✔fill the canal Which lesions extend above the mucosal surface? - ✔✔Hematoma What lesion is even with the mucosal surface? - ✔✔Ecchymosis What type of condition appears as a white patchy area? - ✔✔Leukoplakia What condition is caused by a year like fungal infection? - ✔✔Candidiasis What is another term for canker sore? - ✔✔Aphthous ulcer What is the condition in which inflammation causes severe pain and high fever? - ✔✔Cellulitis What is the term for inflammation of the tongue - ✔✔Glossitis What is the condition in which a pattern on the tongue changes? - ✔✔Geographic tongue What is the condition in which the body does not absorb vitamin b12? - ✔✔Pernicious anemia What type of cancer affects the blood forming organs? - ✔✔Leukaemia What is a common precancerous lesions among users of smokeless tobacco? - ✔✔White lesion What is the term for a malignant lesion in the epithelial tissue of the oral cavity - ✔✔Carcinoma What is a congenital disorder? - ✔✔Present at birth What is the condition that is frequently seen on the lateral border of the tongue of patients with HIV? - ✔✔Hairy Leukoplakia Which opportunistic infection is seen as purplish lesions on the skin or oral mucosa of HIV patients? - ✔✔Kaposi's sarcoma What is the malignant condition that involves the lymph nodes of patients with HIV? - ✔✔Lymphoma What is the term for an abnormally large jaw? - ✔✔Macrognathia What is the term for acquiring an infection through musical tissues? - ✔✔Droplet Infection What infection control measures help prevent disease? - ✔✔Masks, gloves, hand-washing, immunization What is the purpose of BBP (Blood-borne pathogens standard) - ✔✔protect healthcare works What does the term standard precautions include - ✔✔Blood or any other body fluid, excretion, or secretion What information must be included in the employee training record? - ✔✔Date of session, name of presenter, topic, and names of all attendees What is the most effective hand product on the market for use on clean hands? - ✔✔Alcohol based hand rub What is the operators zone - ✔✔7-12 o'clock Where is the transfer zone - ✔✔4-7 o'clock Where is the assistants zone - ✔✔2-4 o'clock Where is the static zone - ✔✔12-2 o'clock What colours are the nitrous oxide tanks - ✔✔Oxygen - Green Nitrous - Blue What is the speed of a high speed? - ✔✔450,000 rpm What is the speed of a slow speed? - ✔✔10,000-30,000 rpm What are the types of excisonial surgeries? - ✔✔ginvecotomy and gingiveplasty What is pulp-capping - ✔✔CAOH on the pulp