©JOSHCLAY 2024/2025 YEAR PUBLISHED, 2024
DANB Radiation Health and Safety Exam
Questions and Answers 100% Solved
Radiolucent - ✔✔Dark area, less dense on radiograph
Radiopaque - ✔✔Light/white area, more dense on radiograph
Floor of maxillary sinus - ✔✔Radiopaque line in Maxillary molar PA
Sinus cavity - ✔✔Radiolucency in Maxillary Molar PA
Pano - ✔✔What x-ray is recommended for edentulous patient?
Check for radiation exposure - ✔✔Why do DHCW wear dosimeter?
Check equipment - ✔✔What is the first step if any radiation is detected in
dosimeter?
size 2 - ✔✔Sensor size for 5 yo occlusal?
size 0 - ✔✔Sensor size for 5 yo BW?
size 4 - ✔✔Sensor size for adult occlusal?
Take BWs - ✔✔What is recommended when a child has open contacts?
, ©JOSHCLAY 2024/2025 YEAR PUBLISHED, 2024
Reduce shadow over anterior roots - ✔✔What is the purpose of asking
patient to swallow and place tongue to roof of mouth for pano?
Tongue to roof of mouth - ✔✔Most common pano error, does not require a
retake
Genial tubercles - ✔✔Projection on lingual of mandible-- would be visible
on mandibular anterior PAs
Maxillary PAs - ✔✔Which images would maxillary sinus be visible?
KvP - ✔✔quality, grey scale contrast of image.
As this increases, contrast decreases.
mA - ✔✔quantity, density
Tori - ✔✔Density on mandibular premolar PA (radiopaque)
60-90% - ✔✔How much do digital sensors reduce radiation exposure?
See interproximal decay, perio bone level, defective restorations - ✔✔What
are BW indications?
Size 0 - ✔✔BW size for 3-5 yr olds
Size 1 - ✔✔BW size for 6-9 yr olds
Size 2 - ✔✔BW size for 10 yr old to adult
DANB Radiation Health and Safety Exam
Questions and Answers 100% Solved
Radiolucent - ✔✔Dark area, less dense on radiograph
Radiopaque - ✔✔Light/white area, more dense on radiograph
Floor of maxillary sinus - ✔✔Radiopaque line in Maxillary molar PA
Sinus cavity - ✔✔Radiolucency in Maxillary Molar PA
Pano - ✔✔What x-ray is recommended for edentulous patient?
Check for radiation exposure - ✔✔Why do DHCW wear dosimeter?
Check equipment - ✔✔What is the first step if any radiation is detected in
dosimeter?
size 2 - ✔✔Sensor size for 5 yo occlusal?
size 0 - ✔✔Sensor size for 5 yo BW?
size 4 - ✔✔Sensor size for adult occlusal?
Take BWs - ✔✔What is recommended when a child has open contacts?
, ©JOSHCLAY 2024/2025 YEAR PUBLISHED, 2024
Reduce shadow over anterior roots - ✔✔What is the purpose of asking
patient to swallow and place tongue to roof of mouth for pano?
Tongue to roof of mouth - ✔✔Most common pano error, does not require a
retake
Genial tubercles - ✔✔Projection on lingual of mandible-- would be visible
on mandibular anterior PAs
Maxillary PAs - ✔✔Which images would maxillary sinus be visible?
KvP - ✔✔quality, grey scale contrast of image.
As this increases, contrast decreases.
mA - ✔✔quantity, density
Tori - ✔✔Density on mandibular premolar PA (radiopaque)
60-90% - ✔✔How much do digital sensors reduce radiation exposure?
See interproximal decay, perio bone level, defective restorations - ✔✔What
are BW indications?
Size 0 - ✔✔BW size for 3-5 yr olds
Size 1 - ✔✔BW size for 6-9 yr olds
Size 2 - ✔✔BW size for 10 yr old to adult
