Insightful Solutions
What can be done to stabilize the biteblock on a partially edentulous patient?
Have family member hold the biteblock
Leave the partial denture in the mouth.
Have patient hold the biteblock
Use a cotton roll Correct Answer - Use a cotton roll
If the patient's chin is positioned too high during a panoramic image how will
the image appear?
anterior teeth will appear wide
the image will appear as an exaggerated smile
the image will appear flat or a "reverse smile"
anterior teeth will appear thin Correct Answer - the image will appear flat
or a "reverse smile"
The BEST radiograph to evaluate a suspected salivary stone in the
submandibular gland is a/an
cephalometric.
panoramic.
periapical.
occlusal. Correct Answer - occlusal.
Which of the following anatomical landmarks is NOT normally seen on
intraoral radiographs?
Mandibular canal
Maxillary sinuses
Frontal sinus
Nutrient canals Correct Answer - Frontal sinus
Paralleling technique requires the image receptor be placed
against the occlusal surface of the tooth.
toward the tooth, away from the oral cavity.
away from the tooth, toward the middle of the oral cavity.
against the lingual surface of the tooth. Correct Answer - toward the tooth,
away from the oral cavity.
,Which of the following describes a double-ended PSP holder used for
posterior and anterior teeth?
EndoRay®
Precision holder®
Stabe®
Eezee-Grip® Correct Answer - Eezee-Grip®
Which of the following landmarks would be seen in a maxilliary anterior
periapical image?
Zygomatic process
Incisive foramen
Genial tubercule
Mental foramen Correct Answer - Incisive foramen
Which image would be best utilized to see the relationship of the alveolar
bone?
Horizontal bitewing
Occlusal
Vertical bitewing
Periapical Correct Answer - Vertical bitewing
The Frankfort Plane is an imaginary plane passing through the
ala of the nose to tragus of the ear.
ala of the nose to the bottom of the ear.
external auditory meatus to the floor of the orbit.
external auditory meatus to the outer canthus of the eye. Correct Answer -
external auditory meatus to the floor of the orbit.
The most radiolucent area on an anterior image is the
nasal fossa
nasal spine
maxillary sinus
maxillary tuberosity Correct Answer - nasal fossa
Supernumerary teeth are best detected using what type of image receptor?
Periapical
Cephalometric
Bitewing
Panoramic Correct Answer - Panoramic
, When taking an occlusal radiograph, the PSP packet should extend from the
patient's mouth by approximately
1 1/8 - 1 1/4 inches.
1/8 -1/4 inches.
3/4 - 1 inches.
1/2 - 5/8 inches. Correct Answer - 1/8 -1/4 inches
Foreshortening of the maxillary radiographic image results from
decreased vertical angulation.
increased vertical angulation.
increased horizontal angulation.
decreased horizontal angulation. Correct Answer - increased vertical
angulation
Compared to a dentulous patient, radiographic exposure time on an
edentulous adult patient should
remain unchanged
decrease
be doubled
increase Correct Answer - decrease
Which of the following radiograph techniques is recommended for a patient
with a shallow palate?
Occlusal
Periapical
Bisecting
Paralleling Correct Answer - Bisecting
The most common reason for taking bitewing radiographs is to evaluate
occlusal caries.
incipient caries.
interproximal caries.
calculus. Correct Answer - interproximal caries.
An underexposed image will appear
grainy.
spotty.
light.