Radiographs

Question 1

Types of radiographs

Answer 1

Occlusal, size 4 receptors - obtains a view of a complete arch. May be used for
Localization of an object or to see whether an impacted/unwritten tooth is emerging on the facial or lingual aspect of the arch.

Question 2

Patients treated with(high dose) radiation to the head and neck may experience:

Answer 2

Candidiasis(oral yeast infection), loss of taste, xerostomia, cervical caries.

Question 3

Receptor position: vertical

Answer 3

Anterior receptors are places vertically

Question 4

Receptor position: horizontal-

Answer 4

Posterior receptors and most bitewings are placed horizontally

Question 5

Dental radio graphs: assistant-

Answer 5

An assistant may NOT interpret radiographic images. An assistant is limited to viewing the image for quality or troubleshooting.

Question 6

Dental radiographs: radiolucent (radiolucency)

Answer 6

A substance that allows radiant energy to pass through it, producing black areas on radiographs.

Question 7

Radiographs: dot(convex)

Answer 7

Gives you a labial view of the dentition. The plain white side of the film packet is placed next to the lingual surface of the teeth.

Question 8

Radiographs: size or receptor

Answer 8

Intraoral: size 2 - adult

Question 9

Radiographs: radiopaque

Answer 9

Enamel is radiopaque

Does not allow radiant energy to pass through.

Question 10

Radiographs: overlap-

Answer 10

Caused by incorrect horizontal angulation.

Question 11

Sensitive cells:

Answer 11

Young growing cells
Reproductive cells
Blood-forming cells, bone marrow

Question 12

Limits of radiation:

Answer 12

Radiation dosimeter or film badge - used to monitor amount of radiation absorbed by the wearer

Question 13

Lead apron

Answer 13

Should be used for EVERYONE, do not use a thyroid collar for extra oral images.