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Dental Radiology Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed

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  • Dental Radiology
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  • Dental Radiology

What is the inverse square law when it comes to radiation -:- Standing back by double the distance from a source of radiation (d to 2d) will quarter the dose to the radiologist or radiographer. It means that when you double the distance from the source of radiation, the intensity of radiation...

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  • September 6, 2024
  • 32
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Dental Radiology
  • Dental Radiology
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2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!



Dental Radiology Questions & 100% Correct
Answers- Latest Test | Graded A+ | Passed
What is the inverse square law when it comes to radiation


✓ -:- Standing back by double the distance from a source of radiation (d to 2d) will

quarter the dose to the radiologist or radiographer. It means that when you double

the distance from the source of radiation, the intensity of radiation is diminished to

a 1/4 of what it was originally.




which exposure technique do the american academy of oral and maxillofacial radiology and

the american association of dental schools recommend?


✓ -:- parallel




why is an exposure sequence important?


✓ -:- so areas of the mouth are not missed or retaken?




when you are exposing images, in which area of the mouth should you begin?


✓ -:- maxillary anterior




When exposing the posterior radiographs which teeth should you start with




1|Page | Grade A+| 2024/2025

,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

✓ -:- Pre molar area




What size film should be used for a bite wing series?


✓ -:- Size #2 films




How many films are in a bitewing series?


✓ -:- 4, 2 premolar images and 2 molar images




Why are occlusal radiographs ordered?


✓ -:- When there is a need to view large areas on the maxilla and the mandible.




For partial edentulous patients, how can you modify the technique of using a bite block to

take x-rays?


✓ -:- By placing a cotton roll on the bite block where the teeth would have been.




which exposure should be the first for the posterior regions?


✓ -:- mandibular premolar




What changes must be made on the exposure factor when taking x rays on a child patient?




2|Page | Grade A+| 2024/2025

,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

✓ -:- Reductions on the exposure factors




What size film is recommended for a child patient with all primary teeth?


✓ -:- Size #0




When mounting radiographs, where is the recommended placement of the dot?


✓ -:- The raised dot facing the dental specialist.




What is the recommended temperature for the developing solution?


✓ -:- 68degreesF, 20degreesC for 4.5 minutes




How long should the film be rinsed after the developer?


✓ -:- 20-30 seconds to remove developer solutions




How long should the film stay in the fixer solutions?


✓ -:- 10 minutes




After the fixer how long should the film be rinsed and why?




3|Page | Grade A+| 2024/2025

, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

✓ -:- It should be rinsed for at least 20 minutes if not the film could turn yellow and

fade over time.




FOGGED FILM


✓ -:- Fogged film may be caused by:




Exposure of film to light during storage.


Leaving film unprotected (that is, outside the lead-lined box or in the x-ray room during

operation of the x-ray machine).


Use of film that has been exposed to heat or chemical fumes.


Use of improperly mixed or contaminated developer.


Defective safelight.




No image


✓ -:- No image may result if no current was passing through the tube at the time of

exposure or if the film was placed in the fixing solution before it was placed in the

developing solution.




How long is the process for automatic processing from beginning to end?




4|Page | Grade A+| 2024/2025

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