DHYG 1304 - Exam 4 Questions with Verified Solutions Graded A+
t/f: panoramic radiography is based on the principles of tomography - Answers true
which of the following is most likely to result in a retake of a bitewing radiograph? - Answers the
patient swallowed during the exposure
which of the following is the best recommendation when it becomes impossible to place an
intraoral image receptor because of an exaggerated gag reflex? - Answers substitute an
extraoral radiograph
if a resultant panoramic image shows a reversed smile (frown), the likely cause is that -
Answers the patient's chin was too high
each of the following statements regarding fundamentals of panoramic radiography is correct
except one. which one is the exception? - Answers the xray source and the film remain
stationary
t/f: periapical radiographs of an edentulous ridge should be exposed with the bisecting
technique - Answers true
what is the result if a bitewing radiograph is exposed using a vertical angulation of -10 degrees?
- Answers more mandibular teeth and bone are imaged, cutting off a portion of the maxillary
structures
the greatest limitation of panoramic radiographs is the inability to - Answers produce image
sharpness
what size image receptor is used for occlusal radiographs on most adult patients? - Answers 4
each of the following is a patient positioning consideration for producing a quality panoramic
radiograph except one. which one is the exception? - Answers the patient must be in a standing
position
each of the following is a use of an occlusal radiograph except one. which one is the exception?
- Answers detecting incipient, interproximal caries
what size image receptor would best image a bitewing radiograph on a 4 year old? - Answers 0
or 1
which of the following describes the collimator of the panoramic xray beam? - Answers it is a
narrow slit
each of the following management techniques will help avoid a gag response except one. which
one is the exception? - Answers questioning the patient about his or her past history with a gag
reflex prior to beginning the procedure
t/f: panoramic radiography is based on the principles of tomography - Answers true
which of the following is most likely to result in a retake of a bitewing radiograph? - Answers the
patient swallowed during the exposure
which of the following is the best recommendation when it becomes impossible to place an
intraoral image receptor because of an exaggerated gag reflex? - Answers substitute an
extraoral radiograph
if a resultant panoramic image shows a reversed smile (frown), the likely cause is that -
Answers the patient's chin was too high
each of the following statements regarding fundamentals of panoramic radiography is correct
except one. which one is the exception? - Answers the xray source and the film remain
stationary
t/f: periapical radiographs of an edentulous ridge should be exposed with the bisecting
technique - Answers true
what is the result if a bitewing radiograph is exposed using a vertical angulation of -10 degrees?
- Answers more mandibular teeth and bone are imaged, cutting off a portion of the maxillary
structures
the greatest limitation of panoramic radiographs is the inability to - Answers produce image
sharpness
what size image receptor is used for occlusal radiographs on most adult patients? - Answers 4
each of the following is a patient positioning consideration for producing a quality panoramic
radiograph except one. which one is the exception? - Answers the patient must be in a standing
position
each of the following is a use of an occlusal radiograph except one. which one is the exception?
- Answers detecting incipient, interproximal caries
what size image receptor would best image a bitewing radiograph on a 4 year old? - Answers 0
or 1
which of the following describes the collimator of the panoramic xray beam? - Answers it is a
narrow slit
each of the following management techniques will help avoid a gag response except one. which
one is the exception? - Answers questioning the patient about his or her past history with a gag
reflex prior to beginning the procedure
