Questions and Answers
Which of the following tissues is NOT part of the periodontium?
What anatomical structure forms the base of the sulcus?
Junctional Epithelium
During mastication, the tooth is cushioned from occlusal forces by the:
periodontal ligament
If a tooth did not have this anatomical structure, it might fall out of its socket:
Signup and view all the answers
Which anatomical area of the periodontium could be removed from the tooth after years of instrumentation?
Signup and view all the answers
Which anatomical area of the gingiva is 'missing', resulting in the 'open spaces' observed?
Signup and view all the answers
After the extraction of a tooth, what anatomical structure will be observed in the tooth socket?
Signup and view all the answers
Which of the following structures holds the gingival tissue against the tooth during mastication?
Signup and view all the answers
The coronal-most edge of the gingiva is the alveolar mucosa. Alveolar mucosa is distinguished by its dark red color and smooth, shiny surface.
Signup and view all the answers
What shallow linear depression separates the free and attached gingiva?
Signup and view all the answers
The difference between the free gingiva and attached gingiva is that?
Signup and view all the answers
The space between the free gingiva and tooth surface is called?
Signup and view all the answers
The interdental gingiva has two interdental papillae. The interdental gingiva has one papilla on the facial and one papilla on the lingual.
Signup and view all the answers
The depth of a clinically normal gingival sulcus is no greater than?
Signup and view all the answers
Which of the following statements is false about the functional epithelium?
Signup and view all the answers
Which of the following is NOT a function of the periodontal ligament?
Signup and view all the answers
The col is the space between the tooth surface and the free gingiva. It is a space that lies directly apical to the contact area.
Signup and view all the answers
The periodontal ligament can remodel alveolar bone in response to pressure. The periodontal ligament can provide nutrients to cementum and bone.
Signup and view all the answers
A thin layer of yellow, hard, mineralized tissue that is attached to dentin of the root refers to which tissue?
Signup and view all the answers
Without cementum, the tooth would fall out of the socket. Cementum anchors the ends of periodontal ligament fibers to the tooth.
Signup and view all the answers
The existence of alveolar bone is dependent on the presence of teeth. When teeth are extracted, alveolar bone resorbs.
Signup and view all the answers
Which of the following is NOT one of the layers of the alveolar process?
Signup and view all the answers
Lattice-like bone that fills the interior portion of the alveolar process refers to:
Signup and view all the answers
The thin layer of bone that lines the socket to surround the root of the tooth is called?
Signup and view all the answers
The alveolar crest follows the contours of the cementoenamel junctions of teeth. In health, the alveolar crest covers the cementoenamel junctions of teeth.
Signup and view all the answers
The space in alveolar bone that houses the roots of teeth is referred to as?
Signup and view all the answers
Nerve supply to the periodontium is derived from branches of the _______ nerve.
Signup and view all the answers
Innervation of the teeth and periodontal ligament of the maxillary arch is from the ________ alveolar nerves, and innervation of the teeth and periodontal ligament of the mandibular arch is from the __________ alveolar nerves.
Signup and view all the answers
Blood vessels can anastomose with nerves to create a vascular system that carries oxygen to tissues and feeling to the pulp of the tooth. The major function of the vascular supply is to carry carbon dioxide and other nutrients to tissues.
Signup and view all the answers
Lymph from the periodontal tissues is drained to the lymph nodes of the?
Signup and view all the answers
Which of the following lymph nodes drain most of the periodontal tissues?
Signup and view all the answers
Which of the following is NOT filtered out by the lymph nodes?
Signup and view all the answers
Study Notes
Periodontium and Its Components
- Alveolar mucosa is not part of the periodontium.
- Junctional epithelium forms the base of a healthy sulcus probed by a dental hygienist.
- The periodontal ligament cushions teeth during mastication from occlusal forces.
- Cementum is essential; without it, a tooth might fall out of its socket.
- Prolonged periodontal instrumentation can lead to the removal of the cementum from the teeth.
Gingiva and Periodontal Health
- "Open spaces" observed in gingival tissue indicate missing interdental gingiva.
- Alveolar bone proper is visible in the tooth socket after an extraction.
- The gingiva holds the gingival tissue against the tooth during mastication.
- Free gingiva is unattached, while attached gingiva is firmly connected to cementum.
Sulcus Depth and Anatomy
- The gingival sulcus is the space between the free gingiva and tooth surface, with a normal depth of no more than 3mm.
- Interdental gingiva comprises two papillae, one on the facial and one on the lingual side.
Functional Aspects of the Periodontal Structures
- Junctional epithelium marks the transition where the alveolar mucosa meets attached gingiva.
- Periodontal ligament functions do not include preventing food packing in the sulcus.
- The col is the space beneath the contact area of adjacent teeth, but it is not the same as the tooth surface and free gingiva.
- Periodontal ligament can remodel alveolar bone due to pressure and provides nutrients to cementum and bone.
Tissues and Bone Structures
- Cementum is a yellow, hard, mineralized tissue attached to the root's dentin.
- Alveolar bone is dependent on the presence of teeth; resorption occurs after tooth extraction.
- The alveolar process consists of layers, excluding the ramus.
- Cancellous bone fills the interior of the alveolar process, while alveolar bone proper lines the socket.
Vascular and Nerve Supply to Periodontium
- The trigeminal nerve supplies innervation to the periodontium.
- Maxillary arch innervation is from the superior alveolar nerves; the mandibular arch receives innervation from the inferior alveolar nerves.
- Blood vessels do not primarily function to carry carbon dioxide and nutrients; the statement is false.
Lymphatic Drainage
- Periodontal tissue lymph drains to lymph nodes in the head and neck region.
- Submandibular lymph nodes are the primary drainage point for most periodontal tissues.
- Lymph nodes do not filter food debris out of the lymphatic system.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge on the periodontium and its components, as well as the significance of the gingiva in periodontal health. This quiz covers essential concepts such as the structure of alveolar bone, gingival sulcus anatomy, and the role of cementum. Prepare to enhance your understanding of dental hygiene and periodontal care.
