Test Linde

Question 1

What does the term ‘periodontium’ refer to?

Answer 1

The tissues surrounding the tooth: gingiva, periodontal ligament, root cementum, and alveolar bone proper

The term derives from Greek, where ‘peri’ means around and ‘odontos’ means tooth.

Question 2

What are the main functions of the periodontium?

Answer 2

To attach the tooth to the jaw bone and maintain the integrity of the masticatory mucosa

This includes support and protection for the tooth structure.

Question 3

What components make up the attachment apparatus of the teeth?

Answer 3

Periodontal ligament, root cementum, and alveolar bone proper

Together, these components form a developmental, biologic, and functional unit.

Question 4

What is the significance of alveolar bone proper?

Answer 4

It lines the alveolus of the tooth and is continuous with the alveolar bone; visible as lamina dura on radiographs

The alveolar process is part of the maxilla and mandible that supports the teeth.

Question 5

During which phase does the development of periodontal tissues begin?

Answer 5

Early in the embryonic phase

This involves the migration of neural crest cells into the first branchial arch.

Question 6

What initiates the epithelial-ectomesenchymal interactions during tooth development?

Answer 6

Factors released by the epithelium of the stomatodeum

These interactions are crucial for the further development of teeth and periodontal tissues.

Question 7

What are the stages of tooth development?

Answer 7

Bud stage, cap stage, bell stage, and root development

Each stage plays a specific role in the formation of the tooth and surrounding tissues.

Question 8

What is formed during the cap stage of tooth development?

Answer 8

Condensation of ectomesenchymal cells forms the dental papilla and dental follicle

The dental papilla gives rise to dentin and pulp, while the dental follicle gives rise to periodontal supporting tissues.

Question 9

True or False: The periodontium does not undergo changes with age.

Answer 9

False

The periodontium is subjected to morphologic changes related to functional alterations and oral environment changes.

Question 10

Fill in the blank: The _______ is a band of ectomesenchyme formed beneath the epithelium of the stomatodeum during embryonic development.

Answer 10

neural crest cells

These cells are crucial for the formation of various oral structures, including the periodontium.