Alveolar Process and Basal Bone Anatomy

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Questions and Answers

Which type of spongiosa is common in the maxilla?

Type I

Type IV

Type II (correct)

Type III

What causes the increase in radiopacity of the alveolar bone?

Double fibrillar orientation

Increased mineral content

Presence of thick bone without trabeculations (correct)

Extrinsic fibers (Sharpey’s fibers)

What forms the main bulk of the alveolar septa?

alveolar prosses

Alveolar bone

Trabecular bone (correct)

Cortical plate

What is the composition of the alveolar bone in some cases?

Bundle bone only Signup and view all the answers

What characterizes Type I spongiosa anatomically?

Bone trabeculae arranged horizontally in the form of ladder Signup and view all the answers

What is the main function of the alveolar process?

Supporting the sockets of the teeth Signup and view all the answers

What is the relationship between the alveolar process and the basal bone?

They are both parts of the jaws and are covered by the same periosteum Signup and view all the answers

What separates the facial and lingual surfaces of the alveolar process?

Alveolar septa Signup and view all the answers

What does the alveolar process consist of?

Facial and lingual cortical plates, central spongiosa, alveolar bone Signup and view all the answers

Where do the alveolar bone and cortical plates merge in relation to the teeth?

1.5 to 2 mm below the cemento-enamel junction (CEJ) Signup and view all the answers

What term is used to describe the remaining bony part of the mandible or maxilla?

Basal bone Signup and view all the answers

What is the main determinant for the presence of the alveolar process?

The presence of the teeth Signup and view all the answers

What separates the facial and lingual surfaces of the alveolar process?

Alveolar septa Signup and view all the answers

What is the composition of the alveolar process crest in relation to the cemento-enamel junction (CEJ)?

1.5 to 2 mm below the CEJ Signup and view all the answers

Which anatomical characteristic distinguishes the lingual plate of the cortical plates in lower posterior teeth?

Thickening due to external oblique ridge Signup and view all the answers

What is the histological composition of the alveolar bone?

Bundle bone and lamellar bone Signup and view all the answers

What is the main anatomical characteristic of Type II spongiosa?

Irregular arrangement of bone trabeculae Signup and view all the answers

What is the radiographic appearance of the cortical plate?

More radio-opaque than the adjacent bone Signup and view all the answers

What anatomical feature causes the spongiosa to form the main bulk of the alveolar septa?

Formation of interconnected network of bony plates Signup and view all the answers

What causes the increase in radiopacity of the alveolar bone?

Presence of thick bone without trabeculations Signup and view all the answers

Study Notes

Alveolar Bone and Process

Type I spongiosa is not commonly found in the maxilla.
The increase in radiopacity of the alveolar bone is caused by compact bone formation.
The main bulk of the alveolar septa is formed by the spongiosa.
In some cases, the alveolar bone is composed of compact bone and marrow spaces.
Type I spongiosa is anatomically characterized by a small number of thick trabeculae.
The main function of the alveolar process is to support the teeth.
The alveolar process is closely related to the basal bone, with the two being continuous.
The facial and lingual surfaces of the alveolar process are separated by the cortical plates.
The alveolar process consists of the alveolar bone, cortical plates, and spongiosa.
The alveolar bone and cortical plates merge at the cervical third of the tooth root.
The remaining bony part of the mandible or maxilla is referred to as the basal bone.
The presence of the alveolar process is mainly determined by the presence of teeth.
The facial and lingual surfaces of the alveolar process are separated by the cortical plates.
The alveolar process crest is composed of compact bone and is located at the cemento-enamel junction (CEJ).
The lingual plate of the cortical plates in lower posterior teeth is anatomically characterized by a thicker and more curved shape.
The alveolar bone is histologically composed of compact bone and marrow spaces.
Type II spongiosa is anatomically characterized by a large number of thin trabeculae.
The cortical plate appears radiographically as a radiopaque line.
The anatomical feature that causes the spongiosa to form the main bulk of the alveolar septa is the presence of marrow spaces.
The increase in radiopacity of the alveolar bone is caused by compact bone formation.

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Description

Test your knowledge about the anatomy of the alveolar process and basal bone in the jaws, including their characteristics and structures. This quiz covers topics such as the presence of teeth, facial and lingual surfaces, and alveolar septa.