RADIOLOGY QUIZ WITH COMPLETE
SOLUTIONS
Imagine you were taking a right molar bitewing radiograph and you exposed the
radiograph backwards (with wrong side of PSP plate facing the x-ray tube). What will
you see after scanning this PSP plate?
It will look like a left molar bitewing image and can be fixed by mirroring the image in
software
No image; will need to retake the radiograph
Very light image; will need to retake the radiograph
It will look like a left molar bitewing and need to retake as cannot be fixed in the
software - Answer- It will look like a left molar bitewing image and can be fixed by
mirroring the image in software
While taking an FMX (full mouth radiographic series) you realized that you used
wrong/inadequate technique for some radiographs; what will you do?
Retake those radiographs with available extra PSP plates and then scan all of them
together; then tell the supervising instructor that you did retakes.
Use correct method for remaining radiographs, scan, make a note if you think retakes
required and consult with supervising instructor
Ask my partner what he/she thinks and then retake the radiographs - Answer- Use
correct method for remaining radiographs, scan, make a note if you think retakes
required and consult with supervising instructor
Absolutely no retakes of radiographs are allowed until a supervising instructor is
consulted with and has approved the need for retake.
True
False - Answer- True
, The "key interproximal space" that must be open on a molar bitewing radiograph is:
Maxillary 1st molar and 2nd molar space
Maxillary 1st premolar and 2nd premolar space
Mandibular 1st molar and 2nd molar space
Mandibular 2nd molar and 3rd molar space - Answer- Maxillary 1st molar and 2nd molar
space
The "key interproximal space" that must be open on a maxillary premolar periapical
radiograph is:
2nd premolar - 1st molar space
1st - 2nd molar space
1st premolar - 2nd premolar space
canine - premolar space - Answer- 2nd premolar - 1st molar space
The maxillary molar periapical radiograph should extend posteriorly to include
Maxillary 3rd molar
Maxillary tuberosity
Only the last molar present in the mouth
Retromolar pad
Maxillary 3rd molar and/or tuberosity - Answer- Maxillary 3rd molar and/or tuberosity
A periapical radiograph of the maxillary canine region demonstrates that the lateral -
canine interproximal space is centered in the middle of the film. The lateral - canine
interproximal space is open. The canine - premolar contact is overlapped. The
overlapped interproximal space is:
normal for this region of the mouth
SOLUTIONS
Imagine you were taking a right molar bitewing radiograph and you exposed the
radiograph backwards (with wrong side of PSP plate facing the x-ray tube). What will
you see after scanning this PSP plate?
It will look like a left molar bitewing image and can be fixed by mirroring the image in
software
No image; will need to retake the radiograph
Very light image; will need to retake the radiograph
It will look like a left molar bitewing and need to retake as cannot be fixed in the
software - Answer- It will look like a left molar bitewing image and can be fixed by
mirroring the image in software
While taking an FMX (full mouth radiographic series) you realized that you used
wrong/inadequate technique for some radiographs; what will you do?
Retake those radiographs with available extra PSP plates and then scan all of them
together; then tell the supervising instructor that you did retakes.
Use correct method for remaining radiographs, scan, make a note if you think retakes
required and consult with supervising instructor
Ask my partner what he/she thinks and then retake the radiographs - Answer- Use
correct method for remaining radiographs, scan, make a note if you think retakes
required and consult with supervising instructor
Absolutely no retakes of radiographs are allowed until a supervising instructor is
consulted with and has approved the need for retake.
True
False - Answer- True
, The "key interproximal space" that must be open on a molar bitewing radiograph is:
Maxillary 1st molar and 2nd molar space
Maxillary 1st premolar and 2nd premolar space
Mandibular 1st molar and 2nd molar space
Mandibular 2nd molar and 3rd molar space - Answer- Maxillary 1st molar and 2nd molar
space
The "key interproximal space" that must be open on a maxillary premolar periapical
radiograph is:
2nd premolar - 1st molar space
1st - 2nd molar space
1st premolar - 2nd premolar space
canine - premolar space - Answer- 2nd premolar - 1st molar space
The maxillary molar periapical radiograph should extend posteriorly to include
Maxillary 3rd molar
Maxillary tuberosity
Only the last molar present in the mouth
Retromolar pad
Maxillary 3rd molar and/or tuberosity - Answer- Maxillary 3rd molar and/or tuberosity
A periapical radiograph of the maxillary canine region demonstrates that the lateral -
canine interproximal space is centered in the middle of the film. The lateral - canine
interproximal space is open. The canine - premolar contact is overlapped. The
overlapped interproximal space is:
normal for this region of the mouth
