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.Management Sciences
Category: Oral Histology
Maximum amount of phosphate is seen in_______________?
A. Bone
B. Enamel
C. Gingiva
D. Dentin
Keratohyaline granules are found in________________?
A. St. granulosum
B. St. spinosum
C. St. basale
D. Prickle cell layer
narled enamel is seen in_____________?
A. Proximal surface of tooth
B. Cervical region of tooth
C. Cusp tips of tooth
D. All of the above
Mandible develops by______________?
A. Endochondral ossification only
B. Membranous ossification only
C. Both of the above
D. None of the above
All of the following are true about functions of dental pulp except______________?
A. Formation of dentin
B. Nerve supply to dentin
C. Sends impulses to CNS
D. Nerve supply to enamel through fibres
Outer and inner enamel epithelium first seen in____________?
A. Bud stage
B. Advanced bell stage
C. Cap stage
D. Bell stage
Odontoblasts are derived from______________?
A. Undifferentiated mesenchymal
B. Histocytes
C. Macrophages
D. Lymphocytes
Enamel tufts are_______________?
A. Thin tuft like structure extending from enamel surface of dentin enamel junction
B. Tuft like structure arising from dentin-enamel junction towards enamel surface
C. Odontoblastic processes extending into enamel
D. None of the above
Which of the following is true?
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
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
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