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

Ottawa University (OU) - JeffersonvilleDentistry

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.

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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?
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Partial preview of the text

Download NDAEB Exam Study Guide | 2024 Questions & Answers | 100% Correct | Verified and more Exams Dentistry in PDF only on Docsity!

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?
  1. What could cause the tooth pathology?
  2. What term refers to the dentist regarding dental insurance?
  3. 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
  1. Debridement, careful brushing at home, warm water rinses
  2. 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
  1. Wrapped in wet gauze
  2. An acrylic splint
  3. Calcium Hydroxide pulp cap and interim resin restoration
  1. What radiolucent structure would the dental assistant expect to see near the apex of the fractured tooth
  2. Which one of the following teeth would be best as the control tooth for the pulp vitality test?
  3. The cold test for the tooth causes an intense pain that does not resolve for a few minutes. What diagnosis is most probable? - ✔✔1) Away from the tooth, near the vault of the palate
  1. Maxillary sinus
  2. 26
  3. Irreversible pulpitits What is the dental dam error when the dam is bunching and stretching on the lingual of the dam when placed? - ✔✔The arch is punched too flat What is the dental dam error when the folding occurs on the facial aspect of the completed dam? - ✔✔The arch is punched too curved What is the dental dam error when inversion of the dam is impossible, resulting in leakage throughout? - ✔✔The holes are punched too large What is the dental dam error when excess dam material is present between all exposed teeth? - ✔✔The holes are punched too far apart What is the dental dam error when the dam material is bunched on the medial and distal of the operative tooth resulting in the hand piece catching and tearing the dam septa? - ✔✔The holes are punched too far apart What type of stain is present when there are black tenacious deposits present in pit and fissures on enamel and restorations? - ✔✔tobacco What type of stain is present when a non-smoker has yellow-brown stains on interproximal and cervical areas of the teeth, as well as on restorations, dorsal surface of the tongue and within retained biofilm? - ✔✔Chlorohexadine

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

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

shrink Normal set alginate has a working time of ___ minutes and a setting time of ______ minutes after mixing

  • ✔✔ 2 4 1/ An adult maxillary requires : ratio of powder to water. While the mandibular requires : ratio of powder to water. - ✔✔3: 2: Hydro means _____. Colloid means ______ substance. - ✔✔water gelatinous What is the organic substance within a hydrocolloid? - ✔✔seaweed What is the disaffection process for impressions? - ✔✔The impression is disinfected, placed in a biohazard bag, labeled and readied for the lab technician. The reversible hydrocolloid is kept in a ______ _____ before an impression is taken - ✔✔conditioning bath The four types of elastomeric material are ________, _______, silicone, and polysiloxane. - ✔✔polysulfide polyether Polysulfide material is a ______ _______ that has a ____ _____ and can ____ ______. - ✔✔rubber base strong odour stain clothing
  • 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 the term for bony growths in the palate? - ✔✔Torus palatinus What is a more common term for ankyloglossia? - ✔✔Tongue tie What is the dental term for a tooth within a tooth? - ✔✔Dens in dente What is the term for abnormally small teeth? - ✔✔Microdontia What term is used to describe two teeth that are joined together? - ✔✔Gemination Which teeth are often affected by ankylosis? - ✔✔Deciduous molars What is the hereditary condition that affects the dentin? - ✔✔Dentiongenesis imperfecta What is the difference between attrition and abrasion? - ✔✔Attrition is the normal wearing away of tooth structure from chewing where as abrasion is the normal wearing away of tooth structure from repetitive behaviour. What is an oral indication of bulimia? - ✔✔Pattern of erosion on lingual surfaces of teeth What are the three potential complications of orofacial piercings? - ✔✔chipped and broken teeth and a serious infection at the sites of the piercings What are the 3 primary shapes of bacteria? - ✔✔1. Cocci (spherical)

  1. Bacilli (rod)
  2. Spirochetes (spiral) What is the staining process for separating bacteria? - ✔✔Bacteria that are stained by dye are called Gram positive. If they do not hold stain they are Gram negative. If they are not consistently stained they are Gram variable

What is the term for bacteria that require oxygen to grow? - ✔✔Aerobe What is the most resistant form of bacterial life? - ✔✔Spores How are prions different from other microorganisms? - ✔✔Prions convert normal protein molecules into dangerous ones simply by causing the normal ones to change their shape. Which types of hepatitis are spread by exposure to blood? - ✔✔B,C & D How is HIV spread? - ✔✔Spread by sexual contact and needle sharing among drug users. What tissues are affected by the West Nile virus? - ✔✔Nervous system causing inflammation of the brain and spinal cord How is H1N1 virus spread? - ✔✔Virus touches nose, eyesore mouth. It also can be spread through a cough or sneeze. What microorganism is used as the benchmark for the effectiveness of a surface disinfectant? - ✔✔Tuberculosis What disease is also known as lockjaw? - ✔✔Tetanus What is a sign of the first stage of syphilis? - ✔✔Painless ulcerating sore known as a chancre. What is a pandemic? - ✔✔Global disease outbreak What is the most common route of contamination? - ✔✔Direct contact

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