Deck 26: Describing Radiographic Anomalies, Lesions, and Opportunistic Screening

Question 1

Which size image receptor would best image a bitewing radiodgraph on a 4-year-old?

A) 0 or 1
B) 1
C) 1 or 2
D) 3

Answer 1

0 or 1

Question 2

Because the image receptor may lay flatter in the oral cavity of a child, the ______ angulation may be _________ to assist in recording more of the periapical region.

A) horizontal, increased
B) horizontal, decreased
C) vertical, increased
D) vertical, decreased

Answer 2

vertical, increased

Question 3

Each of the following statements regarding dental radiography of the child patient is correct EXCEPT one. Which one is the EXCEPTION exception?

A) Vertical angulation may need to be increased slightly.
B) Increasing the vertical angulation over perpendicular will help image the root apices.
C) The bisecting technique will produce less distortion and magnification than the paralleling technique.
D) The bisecting technique can produce reasonably acceptable images when parallel positioning is not possible.

Answer 3

The bisecting technique will produce less distortion and magnification than the paralleling technique.

Question 4

By how much should adult exposure times be reduced for a 12-year-old child patient?

A) One-half the exposure time used for the adult patient
B) One-third the exposure time used for the adult patient
C) One-fourth the exposure time used for the adult patient
D) One-fifth the exposure time used for the adult patient

Question 5

Once the first permanent molars have erupted, the ideal full mouth survey should include a minimum of ____ radiographs.

A) 4
B) 8
C) 10
D) 12

Question 6

The American Academy of Pediatric Dentistry recommends that a child's first professional oral examination be:

A) between the ages of 3 and 6 months.
B) between the ages of 2 and 4 years.
C) within 12 months following eruption of the first tooth.
D) soon after the eruption of all primary teeth.

Question 7

Each of the following may assist with placement of the image receptor for a child patient EXCEPT one. Which one is the EXCEPTION?

A) Placing the image receptor parallel to the long axes of the teeth of interest
B) Using a smaller-sized image receptor
C) Switching to a smaller, lighter image receptor holder
D) Using the bisecting technique

Question 8

Which of these statements is FALSE?

A) A size #0 or #1 intraoral image receptor is usually the choice for a child with primary teeth.
B) The preferred image receptor for use with a child with transitional dentition is size #1.
C) The radiographer should use the largest size image receptor the child can tolerate.
D) The amount of radiation required does not depend on the size of the intraoral image receptor.

Question 9

Each of the following should be considered when choosing the number and size of image receptors to expose on a child patient EXCEPT one. Which one is the EXCEPTION?

A) The sensitivity of the mucosa
B) The cooperation level of the child
C) The presence of the parent or caregiver
D) The size of the oral cavity

Question 10

At what age would a child most likely benefit from the exposure of 4 bitewing and 14 periapical radiographs when a complete mouth examination is required?

A) 5
B) 10
C) 13
D) 15

Question 11

Which of these statements is FALSE?

A) Children are at risk for caries that progress more rapidly than in adults.
B) Children should receive dental radiographs less frequently than adults.
C) Standard techniques must often be adapted to the smaller oral cavity of the child patient.
D) Behavior modification strategies can assist the radiographer in gaining the confidence of the child patient.

Question 12

At what age would a child most likely benefit from the exposure of two bitewing and two occlusal radiographs when a complete mouth examination is required?

A) 5
B) 10
C) 13
D) 15

Question 13

Each of the following is an indication to expose radiographs on children EXCEPT one. Which one is the EXCEPTION?

A) Detection of congenitally missing teeth
B) Assessment for orthodontic intervention
C) Evaluation of diseases and pathosis
D) Inspection of open interproximal contacts

Question 14

In which of the following situations would four horizontal posterior bitewing radiographs be recommended?

A) Prior to the eruption of the permanent first molar
B) Following the eruption of the permanent first molar
C) Prior to the eruption of the permanent second molar
D) Following the eruption of the permanent second molar

Question 15

The first pediatric radiographic survey may not be necessary until:

A) all primary teeth have erupted and prevent a visual inspection of interproximal surfaces.
B) the arches have developed sufficiently to accommodate placement of the image receptor.
C) the age of 6, when cooperation is more likely.
D) the child presents with signs or symptoms of oral disease.

Question 16

By how much should adult exposure times be reduced for a 6-year-old child patient?

A) One-half the exposure time used for the adult patient
B) One-third the exposure time used for the adult patient
C) One-fourth the exposure time used for the adult patient
D) One-fifth the exposure time used for the adult patient

Question 17

Which of these statements is FALSE?

A) A child's smaller size places radiation-sensitive tissues closer to the path of radiation.
B) A lead apron and thyroid collar need to be placed on all child patients.
C) ALARA protocols that apply to adults do not apply to children.
D) Radiographs on children require less radiation exposure than adults.

Question 18

A full mouth survey for a 15-year-old should consist of:

A) 12 periapicals and 2 bitewings.
B) 12 periapicals and 4 bitewings.
C) 14 periapicals and 2 bitewings.
D) 14 periapicals and 4 bitewings.

Question 19

Deciding whether to expose dental radiographs on a child patient is based on:

A) age.
B) behavior.
C) individual needs.
D) sensitivity of the oral cavity.

Question 20

Which of the following extraoral radiographs is commonly assessed for in conjunction with intraoral radiographs for the child patient?

A) Transcranial
B) Panoramic
C) Waters
D) Reverse Towne

Question 21

The radiographer must be able to communicate and explain the procedure so that the child understands what is expected.

Question 22

Exposures on children between the ages of 10 and 15 should be the same as those used for adult patients.

Question 23

The mA setting for a 7-year-old child patient should be reduced by one-third.

Question 24

The full mouth survey recommended for the child patient between the ages of 12 and 14 is the same as for adult patients.

Question 25

The radiographer should place the image receptor and take the exposure without showing the child.

Question 26

The use of show-tell-do is especially useful with children.

Question 27

Children have long attention spans, so a single instruction should be sufficient.

Question 28

The evidence-based guidelines for prescribing dental radiographs pertain to adults and not to children.

Question 29

A lateral jaw extraoral radiograph can be used to assist with providing radiographic information for the child patient who cannot tolerate placement of an intraoral image receptor.

Question 30

The amount of radiation required for an intraoral exposure on a child is approximately twice that required for an adult.

Question 31

It is better to postpone taking radiographs on an unwilling child rather than cause an unpleasant experience.

Question 32

Increasing the mA setting by twice that used for adults is appropriate for children under 10 years of age.

Question 33

Modeling is a technique in which the child is given the opportunity to observe another patient undergoing a procedure.

Question 34

A decrease in vertical angulation of no more than 20 degrees is acceptable to record more in the apical region on periapical radiographs for children.

Question 35

The natural process of shedding primary teeth is called "internal resorption."

Question 36

Less radiation is required to produce an acceptable image in children than in adults.

Question 37

Radiographic techniques and the types of projections used to image the oral cavity of the child patient do not differ significantly from those used for adult patients.

Question 38

Most children would benefit from a radiographic examination within 12 months following the eruption of the first primary tooth.

Question 39

Children have the same basic needs for oral health care as do adults.

Question 40

Giving the child a job to do, such as listening for the beep sound to be sure the x-ray machine worked, will encourage the patient to be a willing participant in the process.

Question 41

Are methods for exposing radiographs on children essentially the same as for adults?

Question 42

Is the dose of radiation required to produce an acceptable image on the child patient the same as on an adult?

Question 43

What size intraoral image receptor should be used to image a child with primary teeth?

Question 44

Are panoramic radiographs acceptable substitutes for intraoral radiographs if a child cannot tolerate intraoral placement of the image receptor?

Question 45

What size intraoral image receptor should be used to image a child with a transitional dentition?

Question 46

How many radiographs should be included in a full mouth survey of a child with transitional dentition?

Question 47

What radiographic technique can be used if a child patient cannot tolerate placement of the intraoral image receptor for exposure with either the paralleling or the bisecting technique?

Question 48

Which is the technique of choice for obtaining intraoral radiographs on the child patient?

Question 49

Should a thyroid collar be used when exposing radiographs on children?

Question 50

When should a child receive his or herhis or her first professional oral examination?