PULP Flashcards
Which of the following structures is not found in a living pulp? A. Collagen fibres B. Haversian fibres C. Non-myelinated nerve fibres D. Reticulum
B
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
D
Odontoblasts are derived from:
A. Undifferentiated mesenchymal
B. Histocytes
D. Lymphocytes
A
The primary function of the dental pulp is: A. Nutritive B. Production of dentin C. Production of enamel D. Vascular supply to the teeth
B
The radicular pulp is continous with tissues of the periapical area via the:
Pulp canal
Pulp chamber
Mental foramen
Apical foramen
D
The cells of the dental pulp which are responsible for the deposition of reparative dentin are:
Osteoblasts
Odontoblasts
Ameloblasts
Osteocytes
B
Histologically the dental pulp most closely resembles:
Nerve tissue
Vascular tissue
Granulation tissue
Loose connective tissue
D
Pericytes are found
In thymus
Around capillaries of pulp
In gallbladder
Along with heparin on surface of mast cells
B
The odontoblasts killed during cavity preparation are derived from:
Unaffected odontoblasts from the pulp
Undifferentiated cells
Histocytes
Osteoblasts
B
Cells occurring in greatest number in pulp are:
Cementoblasts
Fibroblasts
Osteoblasts
Ameloblasts
B
Pulp tissue contains all except:
Fibroblasts
Capillary
Osteoblasts
Ameloblasts
D
The cell free zone in pulp lies:
Above odontoblast
Below odontoblast
In radicular pulp
In pulp horn
B
Aging process affects pulp tissue by:
Decreasing the size and shape of pulp tissue and cellular component
Increase cellular component at the expenses of fibre component
Increases vascularity of the pulp
Decrease the calcific component of the pulp
A
The number of pulp organs in a person in:
32
50
52
62
C
The fibroblasts associated with capillaries are:
Plasma cell
Histocytes
Lymphocytes
Pericytes
D
Which of the following is true:
Pulpal pressure is highest among body tissues
Majority of nerve that enter the pulp are non myelinated and are sympathetic in nature
Plexus of Rashkow or parietal layers of nerves is formed by network of peripheral axons located adjacent to cell rich zone
All of the above
D
The average life time of primary pulp in oral cavity is:
8.3 years
2 years
7 years
3 years
A
Regressive changes in pulp include
Increased fibrotic component
Decreased cellular component
Calcification in blood vessels near apical foramen
All of the above
D
Which of the following is not correct
Free denticles are entirely surrounded by pulp tissue(free of dentin)
Embedded denticles are entirely surrounded by dentin (embedded in dentin)
Attached denticles are partly fused with dentin
False denticles contains many dentinal tubules
D
The development of pulp begins
6th week of IU
8th week of IU
10th week of IU
18th week of IU
B
Size of pulp chamber
Increases with age
Decreases with age
Increased in some cases and decreases in some cases
None of the above
B
Protein secreted by odontoblast
Chitin
Keratin
Collagen
Elastin
C
The primary response of the pulp to tissue destruction is:
Necrosis
Ulceration
Calcific degeneration
Inflammation
D
Unmyelinated nerve fibres of pulp are:
Sensory in nature
Respond to hot and cold
carry pain sensation
Associated with blood vessels and are sympathetic in nature
D
Vitality of pulp depends on:
Blood supply
Nerve supply
Lymphatic supply
All of the above
A
The plexus of Rashkov is present in which of the following zones in pulp?
Cell free zone
Cell rich zone
Odontoblastic zone
Pulp core
A
Pain originate in the pulp due to:
free nerve ending in cell rich zone
free nerve ending at sub odontoblastic layer
Krause bulb at the center of the pulp
Meisseners corpuscles at cell rich zone
B
