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

Who was the first woman to graduate from a recognized dental college? - ✔✔Lucy B. Hobbs-Taylor What are the conditions that would indicate the need for restorative dentistry? - ✔✔ - initial or recurring decay - replacement or failed restorations - abrasion or wearing away of tooth structure True or False: Aesthetic dentistry is primarily devoted to improving the appearance of teeth; specific conditions that indicate a need for aesthetic treatment include the replacement of a partial denture. - ✔✔False The process of removing unhealthy tooth structure while leaving a limited amount of healthy structure for the tooth to maintain a restoration is known as cavity preparation. This process involves which of the following steps? - ✔✔- initial preparation - outline, resistance, retention, convenience form - final preparation Responsibilities of the dental assistant in the restorative process can include performing expanded function and maintaining patient control. - ✔✔True

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NDAEB Exam | 2024 Questions & Answers |
100% Correct | Verified
Who was the first woman to graduate from a recognized dental college? - ✔✔Lucy B. Hobbs-Taylor
What are the conditions that would indicate the need for restorative dentistry? - ✔✔
- initial or recurring decay
- replacement or failed restorations
- abrasion or wearing away of tooth structure
True or False: Aesthetic dentistry is primarily devoted to improving the appearance of teeth; specific
conditions that indicate a need for aesthetic treatment include the replacement of a partial denture. -
✔✔False
The process of removing unhealthy tooth structure while leaving a limited amount of healthy structure
for the tooth to maintain a restoration is known as cavity preparation. This process involves which of the
following steps? - ✔✔- initial preparation
- outline, resistance, retention, convenience form
- final preparation
Responsibilities of the dental assistant in the restorative process can include performing expanded
function and maintaining patient control. - ✔✔True
Class II restorations are found on the.... - ✔✔Posterior teeth
The usual material of choice for class III and Class IV restorations is ... - ✔✔Composite Resin
The Class V restoration is classified as a smooth surface filling and can be found on the... - ✔✔- incisors
- canines
- premolars
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Download NDAEB Exam | 2024 Questions & Answers | 100% Correct | Verified and more Exams Dentistry in PDF only on Docsity!

NDAEB Exam | 2024 Questions & Answers |

100% Correct | Verified

Who was the first woman to graduate from a recognized dental college? - ✔✔Lucy B. Hobbs-Taylor What are the conditions that would indicate the need for restorative dentistry? - ✔✔

  • initial or recurring decay
  • replacement or failed restorations
  • abrasion or wearing away of tooth structure True or False: Aesthetic dentistry is primarily devoted to improving the appearance of teeth; specific conditions that indicate a need for aesthetic treatment include the replacement of a partial denture. - ✔✔False The process of removing unhealthy tooth structure while leaving a limited amount of healthy structure for the tooth to maintain a restoration is known as cavity preparation. This process involves which of the following steps? - ✔✔- initial preparation
  • outline, resistance, retention, convenience form
  • final preparation Responsibilities of the dental assistant in the restorative process can include performing expanded function and maintaining patient control. - ✔✔True Class II restorations are found on the.... - ✔✔Posterior teeth The usual material of choice for class III and Class IV restorations is ... - ✔✔Composite Resin The Class V restoration is classified as a smooth surface filling and can be found on the... - ✔✔- incisors
  • canines
  • premolars

When are retention pins used as a part of the direct restorative process? - ✔✔- when decay has extended beyond the normal size and shape of the cavity preparation

  • when a stronger system for retaining and supporting the restoration is needed
  • when one or more cusps of the tooth is missing A veneer is a thin layer of tooth-coloured material that is placed on the facial surface of a prepared tooth and is used for: - ✔✔- improving appearance of teeth that are abraded, eroded or discoloured
  • closing a diastema
  • improving alignment of teeth When is tooth whitening or vital bleaching not indicated for a dental patient? - ✔✔when the patient presents with severe tetracycline and fluorosis stains A matrix must be used to create a temporary wall for which of the following classifications of tooth restoration? - ✔✔Class II, III, and V The most common matrix system used for class II posterior restorations is the... - ✔✔tofflemire retainer and matrix band The universal/Tofflemire retainer holds the matrix band snugly in position and is most often positioned...
  • ✔✔on the buccal surface of the tooth being restored The class II restoration requires a matrix band to act as an artificial wall that must make proper contact with the adjacent tooth; this is accomplished by... - ✔✔- using a wedge
  • contouring the centre of the matrix band in the proximal contact area
  • the dentists design of the inter proximal cavity preparation The matrix is used for anterior CR or GI restorations... - ✔✔Clear Plastic
  • for some adults Sealants shouldn't be used in which of the following situations: - ✔✔- obvious dental decay or proximal surface decay
  • primary teeth that will be lost soon
  • poor patient cooperation in the dental chair or lack of pits & fissures Sealants may vary in: - ✔✔- method of polymerization
  • colour
  • whether they contain fillers A general tip for sealant materials is to store them in a refrigerator: - ✔✔False The first step in placing dental sealants is to: - ✔✔clean the surface A sealant that is polymerized by chemical reactions is called: - ✔✔Self-Cured Self-Cured sealant materials are supplied as a two-part system that includes: - ✔✔- a base
  • a catalyst Dental sealants should be used as part of a preventative program that includes: - ✔✔- fluorides
  • dietary considerations
  • plaque control Enamel that has been etched has the appearance of being: - ✔✔frosty Antidepressants are often used in dentistry to alleviate or reduce anxiety and pain - ✔✔False

The agents that provide a temporary numbing effect on nerve endings located on the surface of the oral mucosa are: - ✔✔Topical Anesthetics Topical anesthesia is available in the form of: - ✔✔- ointments & liquids

  • sprays
  • patches The most frequently used form of pain control used in dentistry is: - ✔✔Local Anesthesia ______ is added to local anesthetic agent to slow down the intake of the agent and increase the duration of action - ✔✔Vasoconstrictor The ____ the ratio, the higher the percentage of vasoconstrictor in the anesthetic agent - ✔✔Smaller Patients with a hx of heart conditions such as angina, recent heart attack, recent coronary artery bypass surgery, severe hypertension, and untreated or uncontrolled CHF should always use a local anesthetic with a vasoconstrictor - ✔✔False The time from when the local anesthetic takes complete effect until the complete reversal of anesthesia is the ___ of the anesthetic agent - ✔✔duration A short-acting local anesthetic agent can last from: - ✔✔ 60 - 180 minutes ____ is achieved by injecting the anesthetic solution directly into the tissue at the site of a dental procedure and is generally used on the maxillary arch - ✔✔infiltration anesthesia _____ is frequently used on the mandibular teeth and is injected near a major nerve that numbs the entire area served by that nerve branch - ✔✔block anesthesia The parts of the anesthetic syringe include: - ✔✔- thumb ring, finger grip, and finger bar

No absolute medical contraindications exist for N2O/O2 analgesia, but certain conditions make it a poor choice for some patients - ✔✔True Which of the following must be used to protect dental personnel from the occupational risks of nitrous oxide by reducing the N2O released into the treatment room? - ✔✔- Scavenger System

  • Patient mask that fits well and doesn't leak Nitrous oxide oxygen administration always begins and ends with: - ✔✔the patient breathing 100% O In the dental office, sedatives may be used: - ✔✔- for a very nervous patient
  • for a procedure that will be long or difficult
  • for a mentally challenged patient A DA can start, monitor and remove IV sedation for a dental patient.. - ✔✔False General Anesthesia is most safely administered in: - ✔✔the hospital The different levels of consciousness and unconsciousness are referred to as stages of anesthesia; these stages include: - ✔✔- Stage 1 (anesthesia)
  • Stage 2 (excitement)
  • Stage 3 (general anesthesia) Documentation records of pain & anxiety analgesia may include: - ✔✔- review of patients health hx
  • time anesthesia began & ended
  • adverse events or pt complaints The most important way to prevent a medical emergency is to be sure the pt has _____ before tx has begun. - ✔✔completed/updated medical hx

Who is responsible for providing care if a medical emergency involving a patient takes place in the dental office? - ✔✔- dentist

  • DA
  • office staff Every staff member should have an assigned role in an emergency situation & staff members should practice their specific roles once a month before an emergency arises.. - ✔✔True The list of emergency phone numbers posted next to each phone throughout the office should include: - ✔✔- police/firefighters
  • ems
  • nearest hospital, physicians, oral surgeons A medical emergency can happen at any time, so it is important for the DA to: - ✔✔be alert and continuously observe pt to watch for problems A(n) _______ is what a pt tells you regarding how they feel or what they are experiencing; a ______ is what you or the dentist observe in a pt.. - ✔✔Symptom; Sign Each member of the dental team should be required to have which of the following knowledge and skills before handling an emergency in the dental office? - ✔✔- ability to obtain & record VS
  • current credentials for performing the Heimlich maneuver
  • current credentials to perform basic life support, or CPR The ABCD's of basic life support stand for: - ✔✔- Airway
  • Breathing
  • Circulation
  • Defibrillation The cells of the brain are irreversibly damaged after _____ without oxygen. - ✔✔ 4 - 6 minutes
  • nausea/vomiting
  • mildi-severe chest pain _______, which is precipitated by stress & anxiety, may manifest in rapid & shallow breathing, lightheadedness, rapid heartbeat and a panic-stricken appearance and is treated by having the pt breathe into a paper bag or cupped hands? - ✔✔Hyperventilation Anaphylaxis can be life threatening and the signs and symptoms include: - ✔✔- nausea/vomiting
  • loss of consciousness
  • shortness of breath A medical emergency in the dental office must be documented with all of the pertinent details (including extensive notes about what happened, tx provided, and pt's condition when they left the office), and a report must be filed with the local EMS.. - ✔✔False The study of oral pathology is important for the dental assistant: - ✔✔to recognize the difference between normal and abnormal conditions The dentist must consider many sources of information when making a final diagnosis. The sources include: - ✔✔- historical, clinical & radiographic
  • laboratory, surgical & therapeutic
  • microscopic & differential findings A broad term for abnormal tissues in the oral cavity is: - ✔✔a lesion Which of the following types of lesions extends above the mucosal surface? - ✔✔Blister A benign tumor is: - ✔✔- not life threatening
  • a neoplasm

A general term that literally means "white patch" is: - ✔✔Leukoplakia The common term for aphthous ulcer is: - ✔✔a canker sore _______ is the general term used to describe inflammation & changes to the tongue. - ✔✔Glossitis Warning signs of oral cancer include: - ✔✔- any sore in the mouth that doesn't heal

  • numbness in or around the oral cavity
  • white or rough-textured lesions on the lips or oral cavity Smokeless tobacco presents a serious health hazard because users may have: - ✔✔- high rates of periodontal disease & tooth loss
  • precancerous leukoplakia
  • 400 - 500 times more cancers of the pharynx, larynx & esophagus Oral manifestations of HIV/AIDS can include: - ✔✔- HIV Gingivitis
  • Kaposi's Sarcoma
  • Hairy Leukoplakia When cells of the body divide and a deformity of a part of the body occurs, it is: - ✔✔a developmental disorder A condition characterized by abnormally large jaws is: - ✔✔Macrognathia The condition known as __________ refers to any teeth in excess of the 32 normal permanent teeth. - ✔✔Supernumerary teeth A hereditary abnormality in which there are defects in the enamel formation is: - ✔✔Amelogenesis Imperfecta

The periodontal ligament is capable of: - ✔✔- Remodelling

  • Resorption The innermost area of the tooth is the: - ✔✔pulp chamber Dentin: - ✔✔- is capable of regeneration
  • is an excellent thermal conductor
  • forms the bulk of the tooth The hardest calcified substance in the body is: - ✔✔Enamel Healthy gingiva attaches to the teeth on the enamel surface just above the cervical line of the tooth. This is known as the _____ attachment - ✔✔Epithelial The _______ are the enamel-producing cells. - ✔✔Ameloblasts The compact bone that lines the tooth socket is known as the: - ✔✔Lamina Dura The _____ is a pear-shaped structure formed by dense connective tissue & located directly posterior to the maxillary central incisors. - ✔✔Incisive Papilla A healthy _____, which is the space between the free gingiva and the tooth, rarely exceeds 2-3 mm in depth. - ✔✔Gingival Sulcus The earliest signs of tooth development appear: - ✔✔During the 1st Trimester The structure units of enamel are called enamel _______: - ✔✔Prisms

The primary purpose of _______, the fibre group of the periodontal ligament, is to aid in resisting tipping & twisting of the tooth. - ✔✔Interradicular The _____ is the extension of bone that supports the teeth in their functional positions. - ✔✔Alveolar Process The ______ is the constricted area where the anatomic crown and the tooth of the tooth meet. - ✔✔Cervix The process through which the tooth comes into the oral cavity and tries to maintain occlusions is known as: - ✔✔Eruption That portion of the tooth that is visible in the mouth is known as the _____ crown of the tooth: - ✔✔Clinical The _____ fibre groups forms a band around the neck of the tooth - ✔✔Circular _________ extends from the base of the sulcus to the mucogingival junction. - ✔✔Free Gingivae The _____ bones join to form the bridge of the nose. - ✔✔Nasal Tooth morphology is the study of: - ✔✔- size of the teeth

  • shape of the teeth
  • form & structure of the teeth The single rooted teeth located at the front of the mouth are the: - ✔✔Incisors The bony ridge over the facial portion of the canine is the: - ✔✔Canine Eminence Another term for premolars is: - ✔✔Bicuspids

The cusp of Carabelli is found on which teeth? - ✔✔Maxillary 1st Molars At approximately what age is the last primary tooth shed? - ✔✔ 12 There are no premolars in the primary dentition. - ✔✔True The lobe on the lingual surface of a permanent incisor is called a(n) - ✔✔Cingulum How many molars are in the permanent dentition? - ✔✔ 12 A tooth that has three well-separated and well-developed roots is termed: - ✔✔Trifurcated In general, third molars are larger in size than any other molar. - ✔✔False The numbering system that uses numbers 1-31 is the _________ system. - ✔✔Universal The numbering system in which the first digit indicates the quadrant and the second number indicates the tooth is the _______ system. - ✔✔Federation Dentaire International Numbering System (FDI) The labial commissure is the: - ✔✔angle at the corner of the mouth where the upper and lower lips join It is important to protect the lips with sunscreen because sun exposure increases the risk of cancerous changes. - ✔✔True Fordyce's spots or granules are: - ✔✔- normal variations that sometimes appear on the buccal mucosa

  • small yellowish elevations The interdental gingiva is also known as: - ✔✔Gingival Papilla

Which of the following are functions of the tongue? - ✔✔- speech

  • cleansing of the oral cavity
  • taste
  • swallowing The receptors for the taste of sweet are located: - ✔✔on the tip of the tongue The hanging projection of tissue at the border of the soft palate is the: - ✔✔Uvula Which bones make up part of the orbit at the inner angle of the eye? - ✔✔Lacrimal The ________ is the region of the mesial or distal surfaces of a tooth that touches the adjacent tooth in the same arch. - ✔✔Contact point An angle formed by the junction of three surfaces at one point is called: - ✔✔Point Angle Proper occlusion of the erupting permanent teeth is dependent on that of the primary teeth as they are shed. - ✔✔True Class II occlusion is also known as: - ✔✔Distoclusion The curvature formed by the maxillary and mandibular arches in occlusion is known as the: - ✔✔Curve of Spee In the Universal Numbering System, the maxillary right later incisor is number: - ✔✔ 7 In the Universal Numbering System, the mandibular left second premolar is number: - ✔✔ 20

When you are preparing a crown for temporary cementation, you should: - ✔✔completely fill the crown with cement Zinc Phosphate cement is used: - ✔✔as a luting agent for permanent restorations Cavity varnish is placed ____ the liner or insulating base - ✔✔Over Glass ionomer capsules are mixed: - ✔✔by mechanical trituration When mixing zinc phosphate cement, a cool, dry slab will _______ the setting time. - ✔✔Decrease __________ cement bonds directly with enamel, dentin, and metallic materials. - ✔✔Glass Ionomer Exothermic means to _________ heat. - ✔✔Give off ________ may be used under all types of restorative materials. - ✔✔Calcium Hydroxide The ability of a liquid to flow is described in terms of its: - ✔✔Viscosity In areas where strength is the primary concern, a ________ composite would be selected. - ✔✔Macrofilled When two metals touch in the mouth, a small shock is created. This is known as: - ✔✔Galvanic action Before dentin bonding, the smear layer must be: - ✔✔Removed Bonding system materials: - ✔✔must be used according to manufacturer's instructions Crushing pressure that pushes a material together is applied by: - ✔✔Compressive Stress

The centric relationship of the upper and lower arches is obtained in the ________ registration. - ✔✔Bite & Occlusal A smooth impression tray is prepared with a(n) __________ before placing the final impression material within the tray. - ✔✔Adhesive In the taking of final impressions, wash is a term used to describe the: - ✔✔Syringe material To avoid air bubbles in a final impression, the light body material is: - ✔✔Extruded, keeping the tip in the material When kneading silicone putty for an impression, it is necessary to wear _______ gloves. - ✔✔Vinyl Polysiloxane is a type of _________ silicone impression material. - ✔✔Condensation The vacuum former is used to create a: - ✔✔- custom tray

  • mouth guard
  • night guard vital bleaching tray In the ______ bite registration technique, the patient is instructed to close their teeth together before the impression material is placed. - ✔✔Closed Gloves must be worn when handling: - ✔✔- preliminary impressions
  • final impressions
  • laboratory cases In a two-step impression technique, before seating the heavy body impression material: - ✔✔the syringe material is placed around the tooth