A. Between temporal and sphenoid bone
B. Between hamular notch and mandible
C. In apical area of a tooth
D. As a part of deep cervical fascia
Related Mcqs:
- In the mandibular arch, in which tooth maximum lingual inclination is present_______________?
A. 1st premolar
B. 3rd molar
C. Lateral incisors
D. Canine - 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 - Bone adjacent to periodontal ligament that contains a great number of sharpey’s fibres is known as______________?
A. Lamina dura
B. Bundle bone
C. Lamina propria
D. Lamina densa - The main function of horizontal fibres of P.D ligament is____________?
A. Prevent extrusion
B. Prevent rotation
C. Maintains the mesiodistal width
D. All of the above - 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 - Age changes in periodeontal ligament include which of the following ?
A. Increased fibroplasia
B. Increased vascularity
C. Increased thickness
D. Decreased in number of cementicles - Fibres of periodontal ligament embedded in the bone are_____________?
A. Sharpey’s fibres
B. Tomes fibres
C. Elastic fibres
D. Ray’s fibres - 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
