Dental Radiology Exam Questions with Revised Answers New Update
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Dental Radiology
Dental Radiology Exam Questions with Revised Answers New Update
What do the red blue and yellow colors signify in the Rinn/XCP equipment - Answer-Red - BWS
Blue - Anterior
Yellow- Posterior
Blue and red are the same
The periapical radiograph captures what part of the tooth - Answer-The c...
Dental Radiology Exam Questions with
Revised Answers New Update
What do the red blue and yellow colors signify in the Rinn/XCP equipment - Answer-
Red - BWS
Blue - Anterior
Yellow- Posterior
Blue and red are the same
The periapical radiograph captures what part of the tooth - Answer-The crown, the
entire root and 5mm beyond the roots
The bitewing radiograph captures what part of the tooth - Answer-Maxillary and
mandibular crowns
Bitewing radiographs provide the most accurate assessment of - Answer-Interproximal
caries and alveolar crest bone
What is the criteria for vertical bitewings - Answer-Dental Implants
Periodontal Patients
Multiple restorations
What is overlapping of teeth on an image and what causes it? - Answer-The
superimposition of one tooth over a part of the adjacent tooth
Caused by incorrect horizontal angulation
What is an Endoray II film holder - Answer-The Endoray II film holder can be used to aid
in positioning the film during this portion of the root canal procedure
This holder fits around a rubber dam clamp and allows space for endodontic
instruments and filling materials to protrude from the tooth
What film size should be used for occlusal radiographs. - Answer-size 4
What is radiolucent and radiopaque - Answer-Radiolucent are the areas on a
radiograph that appear dark, these are the areas that have allowed the radiation to pass
through. Examples are soft tissues, tooth decay, and dental pulp.
Radiopaque are the areas on a radiograph that appear white or gray which are more
dense areas that do not allow as much radiation to pass through examples are dense
areas of bone, tooth enamel, dental restorations.
, What is the receptor size and angulation for adult occlusal radiographs - Answer-Size 4
Max +65
Mand -55
What is the receptor size and angulation for child occlusal radiographs - Answer-Size 2
Max +60
Mand -55
Positive angulation has the PID aimed towards? - Answer-towards the floor
Negative angulation has the PID aimed towards? - Answer-towards the ceiling
What is the film badge called and what does it measure - Answer-Dosimeter
absorb and measures radiation
Federal regulations require that the diameter of the collimated x-ray beam be restricted
to - Answer-2.75 inches at the patient's skin
Where are caviwipes never used when taking Panoramic radiographs - Answer-on the
digital screen
When taking panoramic x-rays always leave a bite block ________ on unit for the next
patient - Answer-without a barrier
Tubehead - Answer-Metal housing that contains the xray tube where xrays are
produced
What do anterior bitewings consist of - Answer-A)Three vertical exposures from canine
to canine with patient in edge to edge occlusion
B)+10 degrees
Open contacts are dependent on - Answer-correct receptor placement and ultimately
correct horizontal angulation
Proper receptor placement is placed so that the central rays is ______ to the receptor -
Answer-perpendicular
What are size 3 x-rays films used for? - Answer-only for bitewing radiographs
(horizontal) and in a single series (SBWX)
In the placement of the bitewing receptor use the mandibular teeth to - Answer-place
the bite block in prescribed area
In the placement of the bitewing receptor use the maxillary teeth to - Answer-line up
where the Central Ray will be projected
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