Radiology - assembling holders

Question 1

Yellow holder

Answer 1

Posterior periapicals

Question 2

Blue holder

Answer 2

Anterior periapicals (all child radiographs)

Question 3

Red holder

Answer 3

Bitewings

Question 4

Green holder

Answer 4

Endodontic periapicals

Question 5

How do you assemble the yellow holder for a PA of the 16?

Answer 5

• hold rod in right hand with prongs facing inwards
• place receptor holder on prongs
• place locator on with square side so that holder is in centre
• white side of receptor should be facing locator
• dot should be at bite block

Question 6

How do you assemble the yellow holder for a PA of the 36?

Answer 6

• hold rod in right hand with prongs facing inwards
• place receptor holder on prongs
• place locator on with square side so that holder is in centre
• white side of receptor should be facing locator
• dot should be at bite block

Question 7

How do you assemble the yellow holder for a PA of the 26?

Answer 7

• hold rod in left hand with prongs facing inwards
• place receptor holder on prongs
• place locator on with wonky side so that holder is in centre
• white side of receptor should be facing locator
• dot should be at bite block

Question 8

How do you assemble the yellow holder for a PA of the 46?

Answer 8

• hold rod in left hand with prongs facing inwards
• place receptor holder on prongs
• place locator on with wonky side so that holder is in centre
• white side of receptor should be facing locator
• dot should be at bite block

Question 9

Where should the dot be located when taking a periapical?

Answer 9

At the bite block

Question 10

Where should the dot be located when taking a bitewing?

Answer 10

At the upper teeth

Question 11

How do you take a periapical of the 11?

Answer 11

• blue holder
• size 0 receptor
• place cotton wool roll at the tooth in the lower arch
• place receptor on cotton wool
• get patient to bite gently
• locator should be as close to (without touching) the patient’s face as possible

Question 12

How do you take a periapical of the 31?

Answer 12

• blue holder
• size 0 receptor
• place cotton wool roll at the tooth in the upper arch
• place receptor on cotton wool
• get patient to bite gently
• locator should be as close to (without touching) the patient’s face as possible

Question 13

How do you take a periapical of 16?

Answer 13

• yellow holder
• size 2 receptor
• place cotton wool roll at the tooth in the lower arch
• place receptor on cotton wool
• get patient to bite gently
• receptor should be parallel to long axis of teeth
• locator should be as close to (without touching) the patient’s face as possible

Question 14

How do you take a periapical of 46?

Answer 14

• yellow holder
• size 2 receptor
• place cotton wool roll at the tooth in the upper arch
• place receptor on cotton wool
• get patient to bite gently
• receptor should be parallel to long axis of teeth
• locator should be as close to (without touching) the patient’s face as possible

Question 15

What size receptor is used for a posterior periapical?

Answer 15

2

Question 16

What size receptor is used for a anterior periapical?

Answer 16

0

Question 17

What size receptor is used for bitewings?

Answer 17

2

Question 18

What size receptor is used for occlusals?

Answer 18

4