Pedo Radiology

Question 1

What is a radiographic concern with children?

Answer 1

Tissue and organs sensitive to radiation

Question 2

What are 3 primary biological effects of low level radiation?

Answer 2

1. Carcinogenesis
2. Teratogenesis
3. Mutagenesis

Question 3

What is the easiest pedo radiographic film to take?

Answer 3

Maxillary occlusal

Question 4

What factors determine which pedo radiographic films to take?

Answer 4

Age, level of caries, and clinic presentation

Question 5

What determines the need for and the type of radiographs?

Answer 5

Clinical exam

Question 6

What are 4 times to take a pan?

Answer 6

1. Anytime suspect pathology
2. Early mixed (6 yr molars)
3. Late mixed (10-11 yrs [look for canine])
4. Permanent (15-16 yrs)

Question 7

If patient is all primary dentition, there is no evidence of disease, and all contacts are open, are BW’s indicated?

Answer 7

No

Question 8

Are BW indicated after eruption of 1st permanent molars?

Answer 8

Yes

Question 9

What is the BW schedule for high risk caries patients still in the primary dentition?

Answer 9

Take new BW every 6-12 months if you can’t see proximals clinically

Question 10

What is the BW schedule for a no-risk caries patient still in the primary dentition?

Answer 10

Every 12-24 months

Question 11

What is the size number for pedo BW films?

Answer 11

0 (Zero)

Question 12

What is the size number for a pedo occlusal film?

Answer 12

2

Question 13

What is the cone tilt and patient position for pedo maxillary occlusal radiographic films?

Answer 13

60 deg down, ala-tragus line parallel to deck

Question 14

What is the cone tilt and patient position for pedo mandibular occlusal radiographic films?

Answer 14

30 deg up, ala-tragus 30 deg above horizontal

Question 15

How far are caries in enamel before being detected on bitewing?

Answer 15

More than halfway through the enamel

Question 16

If a lesion just seen in the enamel on the radiograph is it in the dentin?

Answer 16

Yes, several hundred micrometers

Question 17

Is caries attack in primary teeth faster or slower than permanent?

Answer 17

Faster by 20%

Question 18

Is primary enamel thicker or thinner than permanent enamel?

Answer 18

Thinner by 1

Question 19

What about the primary teeth makes them more difficult to detect caries?

Answer 19

Flat contact areas

Question 20

What radiographic exam is indicated when a patient presents with clinical evidence of generalized dental disease or a history of extensive dental treatment?

Answer 20

Full mouth series

Question 21

What is the BW regimen for a high caries risk adolescent in the permanent dentition?

Answer 21

6-12 months

Question 22

What is the BW regimen for an adolescent in the permanent dentition who has no caries risk factors and no clinical caries?

Answer 22

18-36 months

Question 23

Are all caries radiographically evident?

Answer 23

No

Question 24

What radiograph should be taken if the tooth has pulpal involvement?

Answer 24

Periapical (PA)