Search
.Management Sciences
Category: Oral Histology
Following is not an external manifestation of enamel________________?
A. Enamel tufts
B. Enamel lamella
C. Incremental lines of enamel
D. Enamel cuticle
The primary response of the pulp to tissue destruction is_______________?
A. Necrosis
B. Ulceration
C. Calcific degeneration
D. Inflammation
The anatomic crown is shorter than the clinical crown of a tooth in which of the following instances___________________?
A. Impaction
B. Gingivitis
C. Occlusal wear
D. Gingival recession
Ectodermal cells in tooth bud are responsible for_______________?
A. Determination of shape of crown and root
B. Formation of periodontal ligament
C. Formation of cementum
D. Formation of pulp
On microscopic examination enamel rods have___________?
A. Key hole appearance in cross section
B. Paddle appearance in cross section
C. Lanullate appearance in cross-section
D. None of the above
In mineralization which one of the following is known as Epitaxy ?
A. Booster Mechanism
B. Seeding theory
C. Alkaline Phosphatase theory
D. Cartier/s Adenosine Triphosphate theory
Pulp tissue contains all except____________?
A. Fibroblasts
B. Capillary
C. Osteoblasts
D. Ameloblasts
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
The high level clear cell present in the oral epithelium is_____________?
A. Melanocyte
B. Lymphocyte
C. Merkel cell
D. Langerhans cell
The percentage of inorganic matter in fully developed enamel is about____________?
A. 66%
B. 76%
C. 86%
D. 96%
Recent Comments