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PERIO > BIOLOGY > Flashcards

BIOLOGY Flashcards

1
Q

Gingiva covering of the hard palate

A

Masticatory mucosa

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2
Q

It covers the dorsum of the tongue

A

Specialized mucosa

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3
Q

What type of lingual papilla has no taste buds

A

Filiform

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4
Q

Covers the alveolar process of the jaw

A

Gingiva

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5
Q

5 cardinal signs

A

Rubor
Tumor
Dolor
Calor
Function laesa

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6
Q

Demarcated from the adjacent attached gingiva by a shallow linear depression

A

Free gingival groove

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7
Q

A shallow crevice ore spare around the tooth

A

Gingival sulcus

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8
Q

What part of periodontium is not exist with the pristine condition

A

Gingival sulcus

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9
Q

What part of peiodontium is greatest at the incisor area

A

Attached gingiva

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10
Q

Attached gingiva is ——- epith

A

Keratinized

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11
Q

Alveolar mucosa is ——— epith

A

Non keratinized

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12
Q

How recession is made

A

If attached gingiva is absent then the food can cause friction

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13
Q

Interdental papilla looks like when healthy and not

A

Healthy- edge knife or pointed
Inflamed- blunt

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14
Q

Valley like depression and It conforms the shape of interproximal contact

A

Col (non keratinized)

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15
Q

Common sign of gingival disease

A

Loss of stippling

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16
Q

Charateristics of healthy gingiva in terms of color, interdental papilla, marginal gingiva, texture, consistency and bleeding upon probing

A

Color coral pink
Interdental papilla- pointed
Marginal gingiva- knife edge
Texture- presence of stippling
Consistency- firm
BOP- absent

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17
Q

Charateristics of inflamed in terms of color, interdental papilla, marginal gingiva, texture, consistency and bleeding upon probing

A

Color- erythematous
Interdental papilla- blunt
Marginal gingiva- rolled
Texture- absence of stippling
Consistency spongy
BOP- present

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18
Q

A wavy pattern that dictate if the patient will have stippling or not located in oral epith

A

Rete pegs

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19
Q

Rete pegs are lack of?

A

Junctional epith and oral sulcular epith

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20
Q

Oral epith is lined by

A

Keratinized stratified epith with rete pegs

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21
Q

Absence of nuclei and has?

A

Orthokeratinized and has stratum corneum and granulosum

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22
Q

Has pyknotic nuclei and has?

A

Parakeratnized and has stratum corneum and no stratum granulosum

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23
Q

Superficial cells has visible nuclei has?

A

Non keratinized and has no stratum corneum and granulosum

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24
Q

What type pf collagen is in the lamina densa

A

Type 4

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25
Q

Composed of glyco protein laminin

A

Lamina lucida

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26
Q

Involved in the attachment of epith

A

Hemidesmosomes

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27
Q

Collagen in basal lamina

A

Type 4

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28
Q

Collagen in PDL

A

Type 1

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29
Q

Consist of loose connective tissue within connective tissue papillae

A

Lamina propria

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30
Q

Antigen presenting cells for lymphocytes or defense mechanism

A

Langerhans cells

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31
Q

Identified as tactile receptors

A

Merkel cells

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32
Q

Oral sulcular epith and junctional epith is lined by

A

Thin, non keratinized stratified squamous epith w/o rete pegs

33
Q

Oral sulcular epith and junctional epith is lacks of

A

Stratum corneum and granulosum

34
Q

Principal cell type of oral epith

A

Keratinocytes

35
Q

Principal cell type of connective tissue

A

Fibroblast

36
Q

It is numerous in inflamed tissue

A

Macrophages

37
Q

Scarce in normal tissue or aka polymorphonuclear leukocytes

A

Neutrophilic granulocytes

38
Q

Most essential component in periodontium

A

Collagen fibers

39
Q

Aside from collagen fibers, what cell posses to ability to produce collagen

A

Cementoblast or osteoblast

40
Q

Maintains the position of free gingiva

A

Circular fibers

41
Q

Prevents extrusion of the tooth

A

Alveolar crest fibers

42
Q

They bear the impact of masticatory stresses

A

Oblique fibers

43
Q

Prevents tooth tipping and protects neurovascular supply

A

Apical fibers

44
Q

Fibers inserted in cementum and bone

A

Sharpeys

45
Q

2/3 of the root

A

Acellular cementum

46
Q

1/3 of the root

A

Cellular

47
Q

Cementum forming cells

A

Cementoblast

48
Q

Trapped in matrix

A

Cemento cytes

49
Q

Bone forming cells

A

Osteoblast

50
Q

Stellate shaped cells trapped in matrix

A

Osteocytes

51
Q

Appear meshwork in radiograph

A

Alveolar bone proper

52
Q

Appear as lamina dura

A

Cortical bone

53
Q

Coronal portion is missing/ gingival recession

A

Dehiscence

54
Q

Area of denuded bone/island of exposed tooth

A

Fenestration

55
Q

Aka unattached gingiva, coral pink has dull surface and firm consistency

A

Free gingiva

56
Q

What cardinal sign that is considered as pseudopocket

A

Tumor

57
Q

Demarcated from the adjacent attached gingiva by shallow linear depression

A

Free gingiva groove

58
Q

Normal gingival sulcus

A

2-3mm

59
Q

What part of gingiva is not exist when in pristine condition

A

Gingival sulcus

60
Q

It faces the oral cavity

A

Oral epith

61
Q

Faces the tooh without being contact with the tooth surface

A

Sulcular epith

62
Q

Contact between the gingiva and the tooth

A

Junctional epith

63
Q

Considered as the progenitor cell compartment

A

Stratum basale or basal cell layer

64
Q

Equipped with short cytoplasmic processes resembling spines

A

Stratum spinosum or pickle cell layer

65
Q

Flattened nucleus, seems like the celll is dying

A

Stratum granulosum or granular cell layer

66
Q

The entire apparatus for protein synthesis is lost

A

Stratum corneum or keratinized cell layer

67
Q

Interface between the oral epith and lamina propria

A

Basal lamina or basement membrane

68
Q

Aka as the base of the bucket and collar like band

A

Junctional epith

69
Q

It release cytokine in epith

A

Lymphocytes and plasma cells

70
Q

Located near the blood vessels

A

Reticulin fibers

71
Q

Located in the apical region

A

Oxytalan fibers

72
Q

Found in the outer fibrous layer of the periosteum

A

Elastic fibers

73
Q

What epithelium is in contact with gingival fluid

A

Junctional and sulcular epith

74
Q

It contains antibodies and immuno globulins and it cleanse the material from the sulcus

A

Gingival crevicular fluid or gingival fluid

75
Q

Has the shaped of an hour glass and is narrowest at mid root level

A

Periodontal ligament

76
Q

What is the physiologic mobility of PDL

A

0.25mm

77
Q

Extends at right angles to the long axis of the tooth

A

Horizontal fibers

78
Q

Characterized by continous deposition throughout life

A

Root cementum

79
Q

It forms and support the sockets of the teeth

A

Alveolar bone

PERIO (3 decks)

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