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Questions and Answers
What is the main function of acellular cementum?
What is the main function of acellular cementum?
What is the composition of cementum similar to?
What is the composition of cementum similar to?
What is the thickness range of cellular cementum?
What is the thickness range of cellular cementum?
What is the origin of the collagenous fibers in cementum?
What is the origin of the collagenous fibers in cementum?
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What initiates the process of cementogenesis (cementum formation)?
What initiates the process of cementogenesis (cementum formation)?
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Study Notes
Acellular Cementum Functions
- Main role is to anchor periodontal fibers, providing stability and support to teeth.
- Assists in attaching the tooth to the alveolar bone.
Composition of Cementum
- Similar to bone in that it has a mineralized structure.
- Comprised mainly of hydroxyapatite, collagen fibers, and water, maintaining a balance necessary for tooth health.
Thickness of Cellular Cementum
- Thickness varies between 30 to 400 micrometers.
- Generally thicker at the apex and furcation areas of teeth.
Origin of Collagenous Fibers
- Derived primarily from periodontal ligament (PDL) fibroblasts.
- Serve as a scaffolding, providing tensile strength and support to the cementum matrix.
Process of Cementogenesis
- Initiated by dental epithelial cells through signals that promote the differentiation of cementoblasts.
- Involves the deposition of collagen fibers and mineralization of the cementum matrix.
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Description
Test your knowledge of the periodontium, the tissues supporting and investing the tooth. Learn about cementum, periodontal ligament, alveolar bone, and gingiva facing the tooth.
