DENTAL XRAY FINAL EXAM 2026/2027 QUESTIONS
AND SOLUTIONS RATED A+
✔✔xray - ✔✔Can pass through solid matter
✔✔Dental X-rays - ✔✔Pictures of
Teeth
Bone
Soft tissue
Can't determine whether there are problems with and individuals teeth, mouth, or jaw
✔✔X-ray images can reveal - ✔✔Cavities
Bone loss
Hidden structures
That cannot be seen during a visual examination
✔✔How does an x-ray machine work? - ✔✔X-rays are produced when a high voltage
spark strikes from the cathode to the end of the andone where the tungsten Target is.
The X-ray then goes through the lead collimator and to the film In the patients mouth
✔✔panorama xray machine - ✔✔
✔✔Millisievert (mSv) - ✔✔Measurement used for effective dose of radiation
✔✔Scattered radiation - ✔✔secondary radiation that occurs when an xray beam is
intercepted by an object (tooth) and deflected to expose body tissue.
scatterd radiation moves in all directions and is considered a low level exposure
✔✔ posterior rinn xrays - ✔✔yellow bar, yellow bite block and yellow ring
✔✔Bitewing rinn - ✔✔red ring blue bite block left and right
✔✔Anterior rinn - ✔✔blue ring and white bite block
✔✔only place where two mesial surfaces meet - ✔✔8,9
24,25
central teeth
✔✔primary teeth - ✔✔20
✔✔permanent teeth - ✔✔32
✔✔how to number supernumerary teeth - ✔✔A
AND SOLUTIONS RATED A+
✔✔xray - ✔✔Can pass through solid matter
✔✔Dental X-rays - ✔✔Pictures of
Teeth
Bone
Soft tissue
Can't determine whether there are problems with and individuals teeth, mouth, or jaw
✔✔X-ray images can reveal - ✔✔Cavities
Bone loss
Hidden structures
That cannot be seen during a visual examination
✔✔How does an x-ray machine work? - ✔✔X-rays are produced when a high voltage
spark strikes from the cathode to the end of the andone where the tungsten Target is.
The X-ray then goes through the lead collimator and to the film In the patients mouth
✔✔panorama xray machine - ✔✔
✔✔Millisievert (mSv) - ✔✔Measurement used for effective dose of radiation
✔✔Scattered radiation - ✔✔secondary radiation that occurs when an xray beam is
intercepted by an object (tooth) and deflected to expose body tissue.
scatterd radiation moves in all directions and is considered a low level exposure
✔✔ posterior rinn xrays - ✔✔yellow bar, yellow bite block and yellow ring
✔✔Bitewing rinn - ✔✔red ring blue bite block left and right
✔✔Anterior rinn - ✔✔blue ring and white bite block
✔✔only place where two mesial surfaces meet - ✔✔8,9
24,25
central teeth
✔✔primary teeth - ✔✔20
✔✔permanent teeth - ✔✔32
✔✔how to number supernumerary teeth - ✔✔A
