Bone, AMJ And Maxillary Sinus

A. Roof of mandible contains thin, compact bone
B. Articular tubercle is composed of spongy bone covered with thin compact bone
C. Condyle contains red bone marrow
D. All of the above

A. 6 weeks
B. 18 weeks
C. 10 weeks
D. 16 weeks

A. Cutting cone or resorption tunnel is the area of resorption seen in alveolar bone
B. CAMP or cyclic adenosine monophosphate levels are increased on pressure side of bone and this results in bone resorption
C. Immature born / embryonic bone seen during fracture healing contains less calcified material and greater number of large osteocytes
D. All of the above

A. All the bones of upper face develop by intra membranous ossification
B. Incus and malleus develops from mecketls cartilage
C. The third auditory ossicle or stapes develops from 2nd branchial arch
D. All of the above

A. In case of pituitary gigantis, all sinuses assume a larger volume than normal
B. In chronic infections, the pain may mimic neuralgia of dental origin
C. Malignant lesions of maxillary sinus produce their manifestations in maxillary teeth
D. None of the above

A. Maxillary sinus communicates with environment through middle meatus and nasal vestibule
B. Maxillary sinus is four- sided pyramid
C. In most of the cases, the main ostium is present in posterior third of hiatus semilunar
D. All of the above

A. The architecture of type I spongiosa is seen in mandible
B. Type II spongiosa is seen in maxilla
C. Condylar process & angle in mandible, and tuberosity in maxilla contain hemopoietic cellular marrow
D. Bundle bone contains a lesser amounts of calcium salts than other types of bony tissue

A. Alveolar bone proper surrounds the root and gives attachment to fibres of periodontal ligament
B. supporting alveolar bone surrounds the alveolar bone proper and supports the socket
C. The cortical plates are thinner in maxilla than in mandible
D. They are thickest in anterior portion of jaw

A. Endochondral ossification only
B. Membranous ossification only
C. Both of the above
D. None of the above

A. All fatty marrow
B. All red marrow
C. All fibrous marrow
D. A combination of fatty and fibrous marrow