A. Type I collagen
B. Type I and Type III collagen
C. Type I and Type II collagen
D. Type I and Type IV collagen
Related Mcqs:
- All of the following cells of periodontal ligament are of mesenchymal origin except______________?
A. Fibroblasts
B. Multi totipotent cells
C. Cementoblasts
D. Cell rests of malassez - The vascular supply of the periodontal ligament is______________?
A. Greatest in the middle-third of a single rotted tooth
B. Greatest in the middle-third of a multirooted tooth
C. A net like plexus that runs closer to the cementum than to the bone
D. A net like plexus that runs closer to the bone than to the cementum - Principal fibres of periodontal ligament are attached to_____________?
A. Alveolar bone proper
B. Bundle bone
C. Lamellar bone
D. Cortical bone - The rest of malassez in the periodontal ligament are derived from_____________?
A. Dental pulp
B. Lamina propria
C. Odontogenic epithelium
D. Vestibular lamina - Narrowing of periodontal ligament in labially placed mandibular canine with age is due to_____________?
A. Due to deposition of cementum and bone
B. Down growths of gingival epithelium
C. Gingival cysts formed from cell rests
D. Reversal of function of horizontal and oblique fibres - A special feature of the periodontal ligament fibroblasts is______________?
A. The number or organelles
B. Presence of actin fibres and shape change
C. size of the cells
D. Collagen fibre formation - The most abundant principle fibre group in periodontal ligament is____________?
A. Horizontal
B. Transeptal
C. Apical
D. Oblique - Periodontal ligament has predominantly_________?
A. Type II collagen fibres
B. Oxytalan fibres
C. Elastic fibres
D. Type I collagen fibres - Width of the periodontal ligament is least at______________?
A. Cervical third
B. Apical third
C. Fulcrum of rotation
D. It has uniform width - The periodontal ligament is approximately_____________?
A. 0.25 mm in thickness
B. 0.5 mm in thickness
C. 0.75 mm in thickness
D. mm in thickness
