Periodontal ligament has predominantly_________?
Correct answer: D. Type I collagen fibres
- A. Type II collagen fibres
- B. Oxytalan fibres
- C. Elastic fibres
- D. Type I collagen fibres
Explanation
Type I collagen fibres predominate in the periodontal ligament and provide its tensile strength. Oxytalan and elastic fibres are present only in smaller amounts, while type II collagen is not the principal ligament collagen.
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