4 - Radiographic Examination Guidelines

Question 1

decision to order radiographs should be based on what

Answer 1

patient’s history, clinical examination and past and current pathology

Question 2

when to order radiographs for new or Acute Care patients

Answer 2

AFTER clinical examination

Question 3

considerations in prescribing dental radiographs

Answer 3

1. risk of radiation exposure
2. cost to patient
3. diagnostic yield (that is which technique will provide the most information given a certain patient’s condition)

Question 4

T/F: Clinical judgement is key

Answer 4

true

Question 5

when are radiographs indicated

Answer 5

1. positive historical findings
2. positive clinical signs and/or symptoms
3. patient at increased risk for careis

Question 6

in all cases, the prescription of radiographs by dental practitioner is based on ___ of the practitioner

Answer 6

clinical judgement

Question 7

when are BW covered by insurance

Answer 7

once every 12 months

Question 8

when are panoramic or intraoral complete series covered by insurance

Answer 8

once every 5 yearas

Question 9

when are selected periapicals covered by insurance

Answer 9

any time they are deemed necessary

Question 10

should insurance limitations ever limit the clinical judgement of practitioner

Answer 10

NEVER

Question 11

what is an alternative to anterior PA for patients having periodic exams

Answer 11

transillumination

Question 12

what is acceptable to use for patients with limited clinical signs and/or symptoms and low caries risk for a comprehensive examination in combination with BW and pano

Answer 12

transillumination

Question 13

when are panos indicated

Answer 13

1. patients with low amount clinically evident path
2. patients contemplating 3rd molar surgery
3. evaluate patient for fratures, pathologic jaw lesions, developmental abnormalities

Question 14

*Panoramic radiographs contain ___% more anatomic coverage than FMX, you are responsible for interpreting the entire image

Answer 14

40%

Question 15

are we responsible for 3rd molar radiographs

Answer 15

yes they should be taken even if no 3rd molars are indicated

Question 16

BW indication

Answer 16

for detection of interproximal caries

Question 17

in PA radiographs what is needed in the image

Answer 17

apex of the tooth

Question 18

what radiograph is mandatory for patient presenting with chief complaint of dental pain or odontogenic facial swelling

Answer 18

PA

Question 19

occlusal radiographs indicated for what

Answer 19

1. supernumerary teeth
2. salivary stones
3. dental development pre-eruption
4. boney expansion

Question 20

cephalometric radiographs indicated for what

Answer 20

ortho eval and planning orthognathic surgery

Question 21

CBCT indicated for what

Answer 21

1. evaluation of i mplant placement site
2. pathology
3. presurgical eval

Question 22

how can you tell between radiolucent composite vs caries

Answer 22

radiolucent composite has sharp border, caries doesn’