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Pulp
70問 • 1年前
  • Tameyra Stefani Al-Suhairy
    • 通報

    問題一覧

  • 1

    Pulp

  • 2

    Pulp

  • 3

    Dentin and pulp

  • 4

    Pulp

  • 5

    5 function of pulp

    Formative, Nutritive, Sensory or protective, Defensive or reparative, Inductive

  • 6

    Odontoblasts from dentin

    Formative

  • 7

    Nourishment of dentin

    nutritive

  • 8

    Sensory function is performed by nerve fibers within the pulp to mediate sensation of pain

    Sensory or protective

  • 9

    Reaction of pulp to irritation by mechanical, thermal, chemical, or bacterial stimuli through inflammation or formation of dentin

    Defensive or reparative

  • 10

    Dental papilla, induces IDE cells to differentiate to ameloblasts

    Inductive

  • 11

    located in the pulp chamber in the crown potion of the tooth.

    Coronal pulp

  • 12

    conical projections of coronal pulp directed towards incisal edges and cusp tips

    Pulp horns

  • 13

    average size of foramen of the maxillary teeth in the adult

    0.4mm

  • 14

    average size of foramen of the mandibular teeth in the adult

    0.3mm

  • 15

    The pulp is circumscribed peripherally by a specialized odontogenic area.

    Odontoblasts

  • 16

    This zone is composed of the bodies of odontoblasts bordering the dentin wall.

    odontoblast

  • 17

    Contains few cells. This area is suggested to be the site for mobilization of UMC.

    Cell free zone (Zone of Weil)

  • 18

    fibroblasts and undifferentiated mesenchymal cells

    cell rich zone

  • 19

    large-caliber blood vessels, nerves and lymph vessels

    pulp core

  • 20

    Adjacent to the predentin with the cell bodies in the pulp and cell processes in the dentinal tubules.

    odontoblasts

  • 21

    a major site of nutrients and gas exchange within the subodontoblastic plexus

    subodontoblastic zone

  • 22

    present beneath the odontoblastic layer. area of mobilization and replacement of odontoblasts.

    cell free zone (zone of weil)

  • 23

    present beneath the cell free zone. composed of fibroblasts and undifferentiated mesenchymal cells.

    cell rich zone

  • 24

    Increased density of as compared to cell free zone More extensive vascular system

    cell rich zone

  • 25

    Center of the pulp chamber Many cells Extensive neurovascular supply Similar to cell rich zone

    pulp core

  • 26

    Conduction velocity 30-70 m/s Very low threshold, non-noxious sensation

    A BETA FIBERS

  • 27

    50% of myelinated fibers in pulp Functions not fully known

    A BETA FIBERS

  • 28

    Conduction velocity 2-30 m/s Lower threshold fast, sharp pain

    A DELTA FIBERS

  • 29

    Stimulated by hydrodynamic stimuli Sensitive to ischemia Sharp pain

    A DELTA FIBERS

  • 30

    Conduction velocity 0-2 m/s Higher threshold Involved in slow, dull pain

    C FIBERS

  • 31

    Stimulated by direct pulp damage Sensitive to anesthetics

    C FIBERS

  • 32

    Conduction velocity 0-2 m/s Post-ganglionic fibers of superior cervical ganglion Vasoconstriction

    Non - myelinated sympathetic fibers

  • 33

    Odontoblast Fibroblast

    Formative cells

  • 34

    Undifferentiated mesenchymal cells

    progenitor cells

  • 35

    Macrophages, neutrophils, eosinophils, basophils, mast cells, plasma cells and Lymphocytes

    defensive cells

  • 36

    7 defensive cells

    Macrophages, neutrophils, eosinophils, basophils, mast cells, plasma cells , Lymphocytes

  • 37

    2 fibrillar elements

    collagen bundles, fine collagen fiber

  • 38

    Act as a medium to transport nutrients to cells and metabolites of the cell to the blood vessels.

    Ground substance

  • 39

    Blood vessels, nerves, lymph vessels

    Neurovascular elements

  • 40

    early stage of development odontoblasts consist of a single layer

    columnar cells

  • 41

    later stages of development, the odontoblastic layer appeared ____ where the broadest part of the cell contains the nucleus

    pyriform

  • 42

    These are the most abundant type of cells in pulp, characteristic of cell-rich zone.

    fibroblasts

  • 43

    form and maintain the pulp matrix CN fibers and ground substance

    Fibroblasts

  • 44

    in periods of less activity and aging these cells appear smaller and round or spindle-shaped with few organelles,

    fibrocytes

  • 45

    light microscope, the cells appear irregular in shape with short blunt processes.

    histiocyte ( macrophage)

  • 46

    The nucleus is small, more rounded and darker in staining than fibroblast.

    histiocyte ( macrophage)

  • 47

    presence is disclosed by intra-vital dyes such trypan blue.

    histiocyte (macrophage)

  • 48

    cells are distributed around the odontoblasts and small blood vessels and capillaries.

    histiocyte (macrophage)

  • 49

    inflammation cart wheel eccentric antibodies

    plasma cells

  • 50

    They are found in normal pulp and they increase during inflammation.

    lymphocytes

  • 51

    found in normal pulp and they increase during inflammation.

    eosinophils

  • 52

    round nucleus cytoplasm contains many granules. toluidine blue.

    mast cells

  • 53

    histamine and heparin

    mast cells

  • 54

    undifferentiated mesenchymal cells smaller than fibroblast

    progenitor cells

  • 55

    found along walls of blood vessels have the potentiality of forming other types of formative or defensive connective tissue cells.

    progenitor cells

  • 56

    the fibers are relatively sparse and delicate throughout the pulp and gradually the bundles increase in size with advancing age.

    young pulp

  • 57

    two patterns of collagen distribution can be seen: diffuse collagen network with no definite orientation, bundles of collagen.

    older pulp

  • 58

    no elastic fibers

    older pulp

  • 59

    consists of acid mucopolysaccharides and neutral glycoprotein. environment that promotes life of the cells

    ground substances

  • 60

    Sensory nerve fibers that originate from inferior and superior alveolar nerves innervate the odontoblastic layer of the pulp cavity.

    Nerve Plexus of Raschkow

  • 61

    orthodontic tooth movement tooth preparation heavy occlusal forces

    Mechanical irritants

  • 62

    antimicrobial agents, restorative materials

    chemical irritants

  • 63

    galvanism

    electrical irritants

  • 64

    metal restoration

    thermal irritants

  • 65

    results from aging or mild irritation (e.g., slowly advancing caries) and causes a change n the composition of the primary dentin.

    sclerotic dentin

  • 66

    becomes wider, gradually filling the tubules with calcified material, progressing pulpally from the DEJ

    peritubular dentin

  • 67

    sclerosis resulting from a mild irritation

    reactive dentin sclerosis

  • 68

    Neutrophils, granulocytes, lymphocytes, and macrophages seen in

    odontoblastic layer

  • 69

    Increase blood flow and volume. pain elicited from the irritation and will linger a few seconds.

    hyperemia/ reversible pulpitis

  • 70

    typified spontaneous, continous throbbing pain. pain elicited by heat and can e relieved with a cold then later, no response to any stimulus.

    pulpal necrosis

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    Spirochetes

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    HIV

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    Tameyra Stefani Al-Suhairy · 31問 · 1年前

    HIV

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    31問 • 1年前
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    CORONA

    CORONA

    Tameyra Stefani Al-Suhairy · 24問 · 1年前

    CORONA

    CORONA

    24問 • 1年前
    Tameyra Stefani Al-Suhairy

    PAPILLO

    PAPILLO

    Tameyra Stefani Al-Suhairy · 15問 · 1年前

    PAPILLO

    PAPILLO

    15問 • 1年前
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    ADENO

    ADENO

    Tameyra Stefani Al-Suhairy · 16問 · 1年前

    ADENO

    ADENO

    16問 • 1年前
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    POX

    POX

    Tameyra Stefani Al-Suhairy · 6問 · 1年前

    POX

    POX

    6問 • 1年前
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    PARVO

    PARVO

    Tameyra Stefani Al-Suhairy · 25問 · 1年前

    PARVO

    PARVO

    25問 • 1年前
    Tameyra Stefani Al-Suhairy

    HEPATOTROPHIC

    HEPATOTROPHIC

    Tameyra Stefani Al-Suhairy · 24問 · 1年前

    HEPATOTROPHIC

    HEPATOTROPHIC

    24問 • 1年前
    Tameyra Stefani Al-Suhairy

    PICORNA

    PICORNA

    Tameyra Stefani Al-Suhairy · 25問 · 1年前

    PICORNA

    PICORNA

    25問 • 1年前
    Tameyra Stefani Al-Suhairy

    RABIES

    RABIES

    Tameyra Stefani Al-Suhairy · 26問 · 1年前

    RABIES

    RABIES

    26問 • 1年前
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    PARAMYXO

    PARAMYXO

    Tameyra Stefani Al-Suhairy · 20問 · 1年前

    PARAMYXO

    PARAMYXO

    20問 • 1年前
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    HERPES

    HERPES

    Tameyra Stefani Al-Suhairy · 40問 · 1年前

    HERPES

    HERPES

    40問 • 1年前
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    ORTHO

    ORTHO

    Tameyra Stefani Al-Suhairy · 7問 · 1年前

    ORTHO

    ORTHO

    7問 • 1年前
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    FLAVI

    FLAVI

    Tameyra Stefani Al-Suhairy · 24問 · 1年前

    FLAVI

    FLAVI

    24問 • 1年前
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    TOGA

    TOGA

    Tameyra Stefani Al-Suhairy · 19問 · 1年前

    TOGA

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    19問 • 1年前
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    VIRUS STRUCTURE

    VIRUS STRUCTURE

    Tameyra Stefani Al-Suhairy · 16問 · 1年前

    VIRUS STRUCTURE

    VIRUS STRUCTURE

    16問 • 1年前
    Tameyra Stefani Al-Suhairy

    問題一覧

  • 1

    Pulp

  • 2

    Pulp

  • 3

    Dentin and pulp

  • 4

    Pulp

  • 5

    5 function of pulp

    Formative, Nutritive, Sensory or protective, Defensive or reparative, Inductive

  • 6

    Odontoblasts from dentin

    Formative

  • 7

    Nourishment of dentin

    nutritive

  • 8

    Sensory function is performed by nerve fibers within the pulp to mediate sensation of pain

    Sensory or protective

  • 9

    Reaction of pulp to irritation by mechanical, thermal, chemical, or bacterial stimuli through inflammation or formation of dentin

    Defensive or reparative

  • 10

    Dental papilla, induces IDE cells to differentiate to ameloblasts

    Inductive

  • 11

    located in the pulp chamber in the crown potion of the tooth.

    Coronal pulp

  • 12

    conical projections of coronal pulp directed towards incisal edges and cusp tips

    Pulp horns

  • 13

    average size of foramen of the maxillary teeth in the adult

    0.4mm

  • 14

    average size of foramen of the mandibular teeth in the adult

    0.3mm

  • 15

    The pulp is circumscribed peripherally by a specialized odontogenic area.

    Odontoblasts

  • 16

    This zone is composed of the bodies of odontoblasts bordering the dentin wall.

    odontoblast

  • 17

    Contains few cells. This area is suggested to be the site for mobilization of UMC.

    Cell free zone (Zone of Weil)

  • 18

    fibroblasts and undifferentiated mesenchymal cells

    cell rich zone

  • 19

    large-caliber blood vessels, nerves and lymph vessels

    pulp core

  • 20

    Adjacent to the predentin with the cell bodies in the pulp and cell processes in the dentinal tubules.

    odontoblasts

  • 21

    a major site of nutrients and gas exchange within the subodontoblastic plexus

    subodontoblastic zone

  • 22

    present beneath the odontoblastic layer. area of mobilization and replacement of odontoblasts.

    cell free zone (zone of weil)

  • 23

    present beneath the cell free zone. composed of fibroblasts and undifferentiated mesenchymal cells.

    cell rich zone

  • 24

    Increased density of as compared to cell free zone More extensive vascular system

    cell rich zone

  • 25

    Center of the pulp chamber Many cells Extensive neurovascular supply Similar to cell rich zone

    pulp core

  • 26

    Conduction velocity 30-70 m/s Very low threshold, non-noxious sensation

    A BETA FIBERS

  • 27

    50% of myelinated fibers in pulp Functions not fully known

    A BETA FIBERS

  • 28

    Conduction velocity 2-30 m/s Lower threshold fast, sharp pain

    A DELTA FIBERS

  • 29

    Stimulated by hydrodynamic stimuli Sensitive to ischemia Sharp pain

    A DELTA FIBERS

  • 30

    Conduction velocity 0-2 m/s Higher threshold Involved in slow, dull pain

    C FIBERS

  • 31

    Stimulated by direct pulp damage Sensitive to anesthetics

    C FIBERS

  • 32

    Conduction velocity 0-2 m/s Post-ganglionic fibers of superior cervical ganglion Vasoconstriction

    Non - myelinated sympathetic fibers

  • 33

    Odontoblast Fibroblast

    Formative cells

  • 34

    Undifferentiated mesenchymal cells

    progenitor cells

  • 35

    Macrophages, neutrophils, eosinophils, basophils, mast cells, plasma cells and Lymphocytes

    defensive cells

  • 36

    7 defensive cells

    Macrophages, neutrophils, eosinophils, basophils, mast cells, plasma cells , Lymphocytes

  • 37

    2 fibrillar elements

    collagen bundles, fine collagen fiber

  • 38

    Act as a medium to transport nutrients to cells and metabolites of the cell to the blood vessels.

    Ground substance

  • 39

    Blood vessels, nerves, lymph vessels

    Neurovascular elements

  • 40

    early stage of development odontoblasts consist of a single layer

    columnar cells

  • 41

    later stages of development, the odontoblastic layer appeared ____ where the broadest part of the cell contains the nucleus

    pyriform

  • 42

    These are the most abundant type of cells in pulp, characteristic of cell-rich zone.

    fibroblasts

  • 43

    form and maintain the pulp matrix CN fibers and ground substance

    Fibroblasts

  • 44

    in periods of less activity and aging these cells appear smaller and round or spindle-shaped with few organelles,

    fibrocytes

  • 45

    light microscope, the cells appear irregular in shape with short blunt processes.

    histiocyte ( macrophage)

  • 46

    The nucleus is small, more rounded and darker in staining than fibroblast.

    histiocyte ( macrophage)

  • 47

    presence is disclosed by intra-vital dyes such trypan blue.

    histiocyte (macrophage)

  • 48

    cells are distributed around the odontoblasts and small blood vessels and capillaries.

    histiocyte (macrophage)

  • 49

    inflammation cart wheel eccentric antibodies

    plasma cells

  • 50

    They are found in normal pulp and they increase during inflammation.

    lymphocytes

  • 51

    found in normal pulp and they increase during inflammation.

    eosinophils

  • 52

    round nucleus cytoplasm contains many granules. toluidine blue.

    mast cells

  • 53

    histamine and heparin

    mast cells

  • 54

    undifferentiated mesenchymal cells smaller than fibroblast

    progenitor cells

  • 55

    found along walls of blood vessels have the potentiality of forming other types of formative or defensive connective tissue cells.

    progenitor cells

  • 56

    the fibers are relatively sparse and delicate throughout the pulp and gradually the bundles increase in size with advancing age.

    young pulp

  • 57

    two patterns of collagen distribution can be seen: diffuse collagen network with no definite orientation, bundles of collagen.

    older pulp

  • 58

    no elastic fibers

    older pulp

  • 59

    consists of acid mucopolysaccharides and neutral glycoprotein. environment that promotes life of the cells

    ground substances

  • 60

    Sensory nerve fibers that originate from inferior and superior alveolar nerves innervate the odontoblastic layer of the pulp cavity.

    Nerve Plexus of Raschkow

  • 61

    orthodontic tooth movement tooth preparation heavy occlusal forces

    Mechanical irritants

  • 62

    antimicrobial agents, restorative materials

    chemical irritants

  • 63

    galvanism

    electrical irritants

  • 64

    metal restoration

    thermal irritants

  • 65

    results from aging or mild irritation (e.g., slowly advancing caries) and causes a change n the composition of the primary dentin.

    sclerotic dentin

  • 66

    becomes wider, gradually filling the tubules with calcified material, progressing pulpally from the DEJ

    peritubular dentin

  • 67

    sclerosis resulting from a mild irritation

    reactive dentin sclerosis

  • 68

    Neutrophils, granulocytes, lymphocytes, and macrophages seen in

    odontoblastic layer

  • 69

    Increase blood flow and volume. pain elicited from the irritation and will linger a few seconds.

    hyperemia/ reversible pulpitis

  • 70

    typified spontaneous, continous throbbing pain. pain elicited by heat and can e relieved with a cold then later, no response to any stimulus.

    pulpal necrosis