Oral Anatomy MCQ 0003

Perforating fibers consisting of collagen fibres embedded in alveolar bone proper are known as:

1. Gingival fibers
2. Sharpey’s fibers
3. Transseptal fibers
4. Alveolar fibers

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The Correct option is B

Explanation with High Yield Facts :

• Sharpey's Fibers = direct extensions of dense irregular CT from periosteum into compact bone.
• Functions to anchor tendon (with fibers penetrating periosteum to bone) to bone.
• Formation by appositional bone growth around original attachment site.
• The periodontal ligament is much more cellular and more highly vascularized than ordinary ligaments, reflecting its high rate of protein turnover.
• It consists of collagen and some elastic fibers.
• The collagenous fibers penetrate into the cementum and into the surrounding bone.
• When properly stained, the fibers within cementum and bone are visible and referred to as Sharpey's fibers.

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