Radiology Chapter 21 (Occlusal and Localization Techniques)

What size receptor is recommended for use with the occlusal technique in the pediatric patient with primary dentition?

• Size 5

• Size 0

• Size 2

• Size 4

How is the patient's head positioned before exposing a maxillary occlusal receptor?

• Mandibular parallel to the floor

• Maxilla parallel to the floor

• Posterior Parallel to the floor

• None of the above

What are the uses of the occlusal image?

• To locate foreign bodies in the maxilla or the mandible

• To located retained roots of extracted teeth

• To evaluate fractures of the maxilla or the mandible

• All of the above

• None of the above

State the vertical angulation used for the maxillary topo- graphic occlusal projection.

• +65 degrees

• -65 degrees

• +75 degrees

• +45 degrees

State the vertical angulation used for the maxillary lateral occlusal projection.

• +65

• -30

• +60

• +55

State the vertical angulation used for the mandibular topo- graphic occlusal projection.

• +55 degrees

• +65 degrees

• -55 degrees

• +45 degrees

State the vertical angulation used for the mandibular cross- sectional occlusal projection.

• +90 degrees

• -90 degrees

• 90 degrees

• 95 degrees

State the vertical angulations used for the maxillary and mandibular pediatric occlusal projections.

• maxillary = -55 degrees; mandibular = +55 degrees

• maxillary = +45 degrees; mandibular = −50 degrees

• maxillary = +40 degrees; mandibular = −35 degrees

• maxillary = +60 degrees; mandibular = −55 degrees

What does the term occlusal refer to?

• The Buccal surfaces of posterior teeth

• The chewing surfaces of posterior teeth

• The incisal surface of anterior teeth

• The Labial surface of anterior teeth

What size receptor is recommended for use with the occlusal Technique in the adult patient ?

• size 3

• Size 4

• Size 5

• Size 2.5