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.Management Sciences
Category: Oral Histology
Which dental tissue doesn’t contain nerves ?
A. Bone
B. Dentin
C. Cementum
D. Pulp
The red zones of lips have_____________?
A. 30% Sebaceous glands
B. 75% sebaceous glands
C. very small number of sebaceous glands, if any
D. Absolutely no sebaceous glands
Serous demilunes are seen in______________?
A. Salivary glands
B. Pancreas
C. Liver
D. Gastric glands
Accentuated incremental lines in dentin are______________?
A. Incremental lines of retzius
B. Incremental lines of von Ebner
C. Contour lines lines of owen
D. None of the above
If a child’s teeth do not form, this would primarily effect the growth of the_____________?
A. Basal bone
B. Whole face
C. Mandible
D. Alveolar bone
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
Cementum formation is seen_______________?
A. After dentin formation
B. Before dentin formation
C. Both are formed at same time
D. None of the above
The cells of the dental pulp which are responsible for the deposition of reparative dentin are_________?
A. Osteoblasts
B. Odontoblasts
C. Ameloblasts
D. Osteocytes
Which of the following is correct?
A. Fibronectin helps in attachment of fibroblasts to collagen
B. Cementicles are found in periodontal ligament of order individuals
C. The large nerve fibres are myelinated and are concerned with discerment of touch
D. The small nerve fibres may or may not be myelinated and are concerned with discrement of pain
E. All of the above
Which of the following is correct about enamel crystals ?
A. Same as dentin crystals
B. Contains organic portion in the center
C. Roughly texagonal in shape
D. Their diameter is about 5 microns in size
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