NDAEB 443 Practice Questions With Answers|34 Pages
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Course
NDAEB
Institution
NDAEB
____ 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 are...
NDAEB 443 Practice Questions
____ 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
______ is added to local anesthetic agent to slow down the intake of the agent and increase the
duration of action - ✔ ✔ Vasoconstrictor
_______ is the general term used to describe inflammation & changes to the tongue. - ✔ ✔
Glossitis
________ may be used under all types of restorative materials. - ✔ ✔ Calcium Hydroxide
_________ extends from the base of the sulcus to the mucogingival junction. - ✔ ✔ Free
Gingivae
_________ impression materials have a very strong door and will permanently stain clothing. -
✔ ✔ Polysulfide
__________ cement bonds directly with enamel, dentin, and metallic materials. - ✔ ✔ Glass
Ionomer
_______, 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
A ______ is a narrow fold of mucous membrane passing from a more fixed to a movable part. -
✔ ✔ Frenum
A ______ is used to outline the tissue area for gingivectomy - ✔ ✔ Pocket marker
A _______ is used in a low-speed handpiece to place sealer and cements into tooth canals
during root canal therapy (RCT) - ✔ ✔ Lentulo Spirals
A benign tumor is: - ✔ ✔ - not life threatening
- a neoplasm
A bonding system _______ mechanical retention. - ✔ ✔ is supplemental to
,A broad term for abnormal tissues in the oral cavity is: - ✔ ✔ a lesion
A condition called ______ will result if an alginate impression absorbs additional water by being
stored in water or in a very wet paper towel: - ✔ ✔ Imbibition
A condition characterized by abnormally large jaws is: - ✔ ✔ Macrognathia
A DA can start, monitor and remove IV sedation for a dental patient.. - ✔ ✔ False
A dental assistant is expected to produce accurate diagnostic casts. This is achieved by paying
strict attention to three essential factors which are: - ✔ ✔ - water to powder ratio
- mixing time
- water temp
A dental laboratory device that replicates the movement of the TMJ is a(n): - ✔ ✔
Articulator
A dental patient is most likely to experience which of the following medical conditions while in
the dental setting? - ✔ ✔ Syncope
A diagnostic cast (also called study model) made from an alginate impression is found to have
numerous small blebs (leads) of stone on the occlusal surfaces of the teeth. The best way to
prevent this from happening is to: - ✔ ✔ wipe some alginate onto the occlusal surfaces of
the patient's teeth before seating the tray
A general term that literally means "white patch" is: - ✔ ✔ Leukoplakia
A general tip for sealant materials is to store them in a refrigerator: - ✔ ✔ False
A gypsum product that is able to withstand extreme heat is: - ✔ ✔ Investment material
A healthy _____, which is the space between the free gingiva and the tooth, rarely exceeds 2-3
mm in depth. - ✔ ✔ Gingival Sulcus
A hereditary abnormality in which there are defects in the enamel formation is: - ✔ ✔
Amelogenesis Imperfecta
A mandibular alginate impression requires _______ scoops of powder and ________ measures
of water. - ✔ ✔ two/two
A matrix must be used to create a temporary wall for which of the following classifications of
tooth restoration? - ✔ ✔ Class II, III, and V
,A maxillary alginate impression usually requires ______ scoops of powder and two measures of
water. - ✔ ✔ Three
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 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
A negative reproduction of the patients dental arch is referred to as a(n): - ✔ ✔ Impression
A patient in the third trimester of pregnancy might experience _______ while lying in a supine
position in the dental chair? - ✔ ✔ Hypotension
A patient's best opportunity to receive systemic fluoride is through which source? - ✔ ✔
Tap water
A porcelain fused to a metal crown would be designed so the porcelain would always be on
which surface? - ✔ ✔ Facial
A reduction in blood flow to the brain that would cause the pt to lose consciousness is called: -
✔ ✔ Syncope/Fainting
A restoration of IRM can last up to: - ✔ ✔ Several months
A sealant that is polymerized by chemical reactions is called: - ✔ ✔ Self-Cured
A short-acting local anesthetic agent can last from: - ✔ ✔ 60 - 180 minutes
A smooth impression tray is prepared with a(n) __________ before placing the final impression
material within the tray. - ✔ ✔ Adhesive
A tooth that has three well-separated and well-developed roots is termed: - ✔ ✔
Trifurcated
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
, A(n) _____ infection can be described as being less persistent than chronic and have an onset
less rapid than acute - ✔ ✔ subacute
A(n) _____ procedure is performed to remove defects and to restore normal contours in the
bone - ✔ ✔ Osseous Surgery
A(n) ______ base is placed to soothe the pulp that has been irritated by decay, injury, or the
trauma of the cavity preparation. - ✔ ✔ Sedative
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
A(n) ________ agent holds two things together - ✔ ✔ Luting
A(n) ________ restoration is expected to last about 6 months - ✔ ✔ Intermediate
According to recent studies, periodontal disease is associated with an increased risk of
developing which of the following conditions: - ✔ ✔ Cardiovascular disease
After mixing permanent cement, the spatial and glass slab should be: - ✔ ✔ cleaned
immediately with a wet gauze sponge and disinfected
Alginate impression material is a(n) _______ hydrocolloid - ✔ ✔ Irreversible
Amalgam is condensed to: - ✔ ✔ - aid in removing any excess mercury
- compact the material tightly into the preparation
An advantage of using nitrous oxide/oxygen is that it is relatively simple to administer and easy
to manage.. - ✔ ✔ True
An angle formed by the junction of three surfaces at one point is called: - ✔ ✔ Point Angle
An autocure composite resin is mixed together to: - ✔ ✔ activate the setting process
An automated external defibrillator (AED) is used for what medical emergency? - ✔ ✔
Sudden cardiac arrest
An embrasure may diverge in which direction(s)? - ✔ ✔ - facially
- occlusally
- apically
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