Maxillary Periapical Imaging and Nasal Anatomy Quiz

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Which type of bone appears radiopaque on a dental image?

Cortical bone (correct)

Both cortical and cancellous bone

Neither cortical nor cancellous bone

Cancellous bone

What is the composition of cancellous bone?

Numerous bony trabeculae

Dense cortical bone

Intercommunicating spaces filled with bone marrow

All of the above (correct)

What enables the radiographer to accurately mount and interpret intraoral images?

Recognition of abnormal anatomic landmarks

Recognition of neither normal nor abnormal anatomic landmarks

Recognition of both normal and abnormal anatomic landmarks

Recognition of normal anatomic landmarks (correct)

Which one of the following is a linear prominence or projection of bone?

Ridge Signup and view all the answers

What is a tubelike passageway through bone that contains nerves and blood vessels called?

Canal Signup and view all the answers

What is an opening or hole in bone that permits the passage of nerves and blood vessels called?

Foramen Signup and view all the answers

What is a broad, shallow, scooped-out or depressed area of bone called?

Fossa Signup and view all the answers

Which one of the following is true about the inferior nasal conchae?

They are wafer-thin, curved plates of bone. Signup and view all the answers

On a posterior maxillary periapical image, the maxillary sinus appears as a ___________ area located superior to the apices of maxillary premolars and molars.

radiolucent Signup and view all the answers

What is the term for the intersection of the maxillary sinus and the nasal cavity as viewed on a dental image?

Inverted Y Signup and view all the answers

What is the function of the genial tubercles?

They serve as attachment sites for the genioglossus and geniohyoid muscles. Signup and view all the answers

Which one of the following is true about the lingual foramen?

It is located near the midline and is surrounded by genial tubercles. Signup and view all the answers

What do nutrient canals contain?

Nerves and blood vessels that supply teeth. Signup and view all the answers

Where are interdental nutrient canals most often seen?

In the anterior mandible, a region that typically has thin bone. Signup and view all the answers

What is true about the mental ridge?

It appears as a thick radiopaque band that extends from the premolar region to the incisor region. Signup and view all the answers

Which of the following is true about the submandibular fossa on a mandibular periapical image?

It appears as a radiolucent area in the molar region below the mylohyoid ridge Signup and view all the answers

What is the composition of the lamina dura?

It is made up of dense cortical bone Signup and view all the answers

What is the appearance of the alveolar crest located in the posterior region?

It appears less dense and less radiopaque than the alveolar crest seen in the anterior region Signup and view all the answers

What is the primary dentition comprised of?

10 maxillary and 10 mandibular teeth Signup and view all the answers