Search
.Management Sciences
Category: Bone, AMJ And Maxillary Sinus
Fibres which continue from bone to ligament are_______________?
A. Sharpey’s fibres
B. Tome’s fibres
C. Ray’s fibres
D. All of the above
The type of bone present in the labial area of anterior teeth is_________________?
A. Cortical
B. Cancellous
C. Osteophytic
D. Exophytic
Basal bone is____________?
A. That part of the bone embracing apices of root of teeth
B. Lower border of the mandible
C. Ramus of the mandible
D. That part of the bone containing teeth
Which of the following is wrong?
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
When osteoblast lay new bone from outside to inside in a osteon, the active formation area is called________________?
A. Haversion cone
B. Filling cone
C. Cutting cone
D. Howships cone
Organ of chievity is seen near the______________?
A. Medial surface of the mandible
B. Naso palatine foramen
C. Mental foramen
D. Foramen caecum
Which of the following is true?
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
Which of the following is not correct ?
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
Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________?
A. Laterally into zygomatics process of maxilla
B. Medially into zygomatic process of maxilla
C. Laterally into lateral nasal wall
D. Superiorly into floor of orbit
Functional importance of maxillary sinus is______________?
A. Lightening of skull weight and production of bactericidal lysozyme to the nasal cavity
B. Protects the brain against exposure to cold air by arresting air in sinus temporarily
C. Resonance of voice and enhancement of faciocranial resistance to mechanical shock
D. All of the above
Recent Comments