Intermediate plexus is absent in which of the following principle fibres_____________?
A. Gingival
B. Oblique
C. Horizontal
D. Transseptal
Periodontal Ligament
The calcified mass found in the PDL are_____________?
The calcified mass found in the PDL are_____________?
A. Cementicles
B. Osteoblasts
C. Cementoclasts
D. Osteoclasts
Principal fibres of periodontal ligament are attached to_____________?
Principal fibres of periodontal ligament are attached to_____________?
A. Alveolar bone proper
B. Bundle bone
C. Lamellar bone
D. Cortical bone
Collagen biosynthesis occurs inside the______________?
Collagen biosynthesis occurs inside the______________?
A. Chondroblasts
B. Odontoblasts
C. Osteoblasts
D. Fibroblasts
Bone adjacent to periodontal ligament that contains a great number of sharpey’s fibres is known as______________?
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
Intermediate plexus is seen in the____________?
Intermediate plexus is seen in the____________?
A. Cementum
B. PDL
C. Pulp
D. Dentin
The vascular supply of the periodontal ligament is______________?
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
All of the following cells of periodontal ligament are of mesenchymal origin except______________?
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
Remnants of the Hertwig’s root sheath are found in____________?
Remnants of the Hertwig’s root sheath are found in____________?
A. Gingiva
B. Alveolar bone
C. Periodontal ligament
D. Cementum
Anchoring fibrills are composed of_____________?
Anchoring fibrills are composed of_____________?
A. Type V and VII collagen
B. Type I and III collagen
C. Type IV collagen
D. Type IV and III Collagen