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Questions and Answers
What is the main function of the alveolar bone?
What is the main function of the alveolar bone?
What is unique about the structure of the alveolar bone?
What is unique about the structure of the alveolar bone?
What is the percentage of inorganic material in the dry weight of the alveolar process?
What is the percentage of inorganic material in the dry weight of the alveolar process?
What is the role of the enzymes in the bone?
What is the role of the enzymes in the bone?
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What is the composition of the organic material in the alveolar process?
What is the composition of the organic material in the alveolar process?
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What is the significance of the alveolar bone's ability to form under tension and resorb under pressure?
What is the significance of the alveolar bone's ability to form under tension and resorb under pressure?
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Study Notes
Alveolar Bone Structure
- The alveolar process is a mineralized connective tissue that forms the sockets (alveoli) supporting and protecting the teeth.
Development and Disappearance
- The alveolar bone develops during the eruption of the teeth.
- It disappears after the tooth is extracted or lost.
Composition
- The dry weight of the alveolar process is composed of: • 67% inorganic material (hydroxyapatite crystals, Ca10[PO4]6[OH]2) • 28% organic materials (mainly type I collagen fibers) • 5% non-collagenous matrix proteins (bone sialoprotein, osteocalcin, osteonectin, osteopontin) and ground substance
Hydroxyapatite Crystals
- Hydroxyapatite crystals are deposited in between the collagen fibers.
- Hydroxyapatite crystals are also deposited in the ground substance of bone.
Orthodontic Treatment
- The ability of the alveolar bone to form under tension and resorb under pressure makes orthodontic treatment possible.
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Description
Learn about the structure, development, and composition of alveolar bone, including its role in supporting and protecting teeth. Discover how it forms and disappears.
