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Template by Modified byBill Arcuri, WCSD Chad Vance, CCISD

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Dental Radiography II

Final Review Game


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100 100 100 100 100 100

200 200 200 200 200 200

300 300 300 300 300 300

400 400 400 400 400 400

500 500 500 500 500 500

Exposing Techniques

Types of Radiographs

Film Processing

Patient Management

Errors/ Interpretation

Radiation Protection & Biology


Question:Which technique satisfies

more rules of the principles of shadow casting?


Answer: Paralleling Technique


Question: If an 8” PID and a 16” PID were both used on the same settings for the same patient, which film

would have greater density?


Answer: 8” PID


Question: Name at least one of the five intraoral

conditions that warrants the use of the bisecting

technique.


Answer: Shallow palate, shallow floor of the mouth, large palatal or mandibular

tori, short lingual frenum, or for endo radiographs


Question: In which technique is no film bending

allowed?


Answer: Bisecting


Question: Name an appropriate vertical angulation for the

canine/lateral PA on the maxillary with the patient in

the upright position.


Answer: +45 to +55


Question: What kind of radiograph is this image?


Answer: Occlusal (maxillary)


Question: Name two of the four uses of the BWX.


Answer: caries detection (interproximally), calculus detection, assessment of crestal bone height, and

evaluation of restorations


Question: What is the light that is emitted from the phosphor in extraoral

cassettes during radiographic exposure

called?


Answer: Fluorescence


Question: What type of radiograph gives a side view of the skull with a soft

tissue outline of the patient’s profile?


Answer: Cephalometric


Question: What is the area on the

panoramic radiograph that has the sharpest image

called?


Answer: Focal trough or image

layer


Question: What main step is eliminated from the manual processing procedure when using

an automatic processor?


Answer: rinse


Question : Name one advantage and

one disadvantage of automatic

processing over manual processing.


Answer:Adv: shortens processing time, produces

consistently good results, less opportunity for operator error, requires less space and

can have a daylight loader

DA: way more maintenance


Question : At what temperature does an automatic processor

typically run?


Answer: anywhere from 83-105 deg F


Question : Name the two main causes of

automatic processor breakdown.


Answer: failure to keep rollers clean

and inadequate replenishing


Question : What ingredient is added to the developer to minimize the swelling of the emulsion

for automatic processing?


Answer: sulfate


Question : What does ALARA stand

for?


Answer: As Low As Reasonably Achievable


Question: What two pieces of radiographic protective equipment

should be placed on all patients during radiographic exposure of

intraoral radiographs


Answer: lead apron & thyroid collar


Question: Name an item to be removed

by the patient before an intraoral

radiographic procedure.


Answer: intraoral piercings,

eyeglasses, removable appliances


Question: Name two techniques for

dealing with gagging during radiographic

exposure.


Answer: Don’t discuss it ahead of time; start with

anterior films; do as much before placing films as

possible; have patient take deep breaths; distract;

mildly anesthetize


Question: What is the best way to deal with infection control of dental x-ray film

packets?


Answer: Barrier covers for film

packets


Question: Name this error.


Answer: Double Exposure


Question: The assistant forgot to ask the patient to remove her earrings. What are

these white streaks called?


Answer: Ghost images


Question: Name one radiolucent

condition. (Note: NOT normal radiographic

anatomy)


Answer: Answers can vary.

Examples: caries, abscesses, fracture

lines


Question: Name this error.


Answer: Developer cut-off


Question: An abnormal condition that occurs when a

lesion moves a structure is called?


Answer: Displacement


Question: When a non-reproductive body cell or tissue is affected by radiation, this is called

a __________ ___________.


Answer: somatic effect


Question: If a lead barrier wall is unavailable, the operator should stand at least 6 feet

away from the patient and in an area that is ____ degrees to the

primary beam.


Answer: Anywhere from 90-135 degrees


Question: If an x-ray machine is

operating at 65 kVp, what amount of

aluminum filtration is required?


Answer: 1.5mm


Question: The FDA and ADA created an article outlining when typical

times are to take diagnostic radiographs.

What is this called?


Answer: Selection Criteria


Question: When a high-energy photon collides with an inner

orbiting electron and knocks it out of its orbit, an outer electron has to come down to take its place.

This energy causes an x-ray photon to be released. What is this

direct effect of radiation called?


Answer: Photoelectric effect

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Documents

modified bybill arcuri

wcsd chad vance

pid template

bisecting template

fluorescence template

paralleling technique

endo radiographs template

bisecting technique