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Questions and Answers
Which anatomical structure is referred to as the inner (lingual) alveolar plate?
What is the primary purpose of radiographic assessment in periodontal disease?
Which feature distinguishes healthy alveolar bone from diseased alveolar bone?
What is the function of the interdental septum?
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Which structure is primarily involved in the attachment of the tooth root to the alveolar bone?
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Which of the following structures are referred to when identifying alveoli?
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What is the main aim of the module related to alveolar bone?
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How are healthy and diseased alveolar bone features typically assessed?
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Which statement best describes the role of the outer (buccal) alveolar plate?
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What is an important aspect that students should review before the teaching session?
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Study Notes
Clinical and Radiographic Anatomy of Alveolar Bone
- Alveolar bone is part of the maxilla and mandible.
- Function of alveolar bone: to provide support for the teeth.
- Alveolus is the socket within the alveolar bone that supports the tooth.
- Alveolar crest is the bone that surrounds the tooth at the gumline. It provides support for the tooth.
- Alveolar process is the part of the bone that extends from the base of the tooth to the alveolar crest. It provides support for the tooth.
- Lamina Dura is a thin layer of bone that surrounds the root of the tooth.
- Periodontal ligament is a tissue that connects the tooth to the alveolar bone. It allows for movement of the tooth.
Features of Alveolar Bone
- Healthy alveolar bone has a smooth, even surface and is dense.
- Diseased alveolar bone can be characterized by bone loss.
- Periodontitis is a disease that can affect the alveolar bone.
- Radiographic assessment is an essential part of the diagnosis of periodontal disease.
Radiographic Anatomy of Alveolar Bone
- Radiographs are used to visualize the structure of the alveolar bone.
- Alveolar bone appears as a dense white area on radiographs.
- Alveolar crest is the most apical portion of the alveolar bone.
- Alveolar bone proper is the bone that surrounds the tooth root.
- Periodontal ligament space is a thin, dark line that separates the tooth from the alveolar bone.
- Lamina dura is a dense, white line that surrounds the tooth root. It represents the outer boundary of the tooth socket. It is also important in diagnosis of periodontal disease; it will appear as a faint radiolucent area on a healthy radiograph.
- Alveolar bone proper, sometimes referred to as the cribriform plate, is the part of the alveolar bone that is adjacent to the tooth root.
- Alveolar bone is the bone that provides support for the teeth.
- Healthy alveolar bone has a smooth, even surface and is dense.
- Diseased alveolar bone has a rough, uneven surface and is less dense.
- Alveolar bone resorption is the process of bone loss that can occur in periodontal disease.
- Radiographic assessment can help to identify the presence of alveolar bone resorption.
Student Activities
- Pre-session reading: Gehring, Shin and Willmann (2018) Foundations of Periodontics for the Dental Hygienist, Pp. 13 – 15.
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Self-assessment on knowledge related to alveolar bone anatomy and surrounding structure:
- Activity 1: Identify the structures of the tooth and surrounding tissues.
- Activity 2: Label the anatomical structures that surround the tooth.
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Description
This quiz covers the essential features and clinical aspects of alveolar bone, including its structure, functions, and relation to dental health. It also explores the implications of diseases such as periodontitis and the importance of radiographic assessment in evaluating alveolar bone health.
