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BIOLOGY Flashcards

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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
Composed of glyco protein laminin
Lamina lucida
26
Involved in the attachment of epith
Hemidesmosomes
27
Collagen in basal lamina
Type 4
28
Collagen in PDL
Type 1
29
Consist of loose connective tissue within connective tissue papillae
Lamina propria
30
Antigen presenting cells for lymphocytes or defense mechanism
Langerhans cells
31
Identified as tactile receptors
Merkel cells
32
Oral sulcular epith and junctional epith is lined by
Thin, non keratinized stratified squamous epith w/o rete pegs
33
Oral sulcular epith and junctional epith is lacks of
Stratum corneum and granulosum
34
Principal cell type of oral epith
Keratinocytes
35
Principal cell type of connective tissue
Fibroblast
36
It is numerous in inflamed tissue
Macrophages
37
Scarce in normal tissue or aka polymorphonuclear leukocytes
Neutrophilic granulocytes
38
Most essential component in periodontium
Collagen fibers
39
Aside from collagen fibers, what cell posses to ability to produce collagen
Cementoblast or osteoblast
40
Maintains the position of free gingiva
Circular fibers
41
Prevents extrusion of the tooth
Alveolar crest fibers
42
They bear the impact of masticatory stresses
Oblique fibers
43
Prevents tooth tipping and protects neurovascular supply
Apical fibers
44
Fibers inserted in cementum and bone
Sharpeys
45
2/3 of the root
Acellular cementum
46
1/3 of the root
Cellular
47
Cementum forming cells
Cementoblast
48
Trapped in matrix
Cemento cytes
49
Bone forming cells
Osteoblast
50
Stellate shaped cells trapped in matrix
Osteocytes
51
Appear meshwork in radiograph
Alveolar bone proper
52
Appear as lamina dura
Cortical bone
53
Coronal portion is missing/ gingival recession
Dehiscence
54
Area of denuded bone/island of exposed tooth
Fenestration
55
Aka unattached gingiva, coral pink has dull surface and firm consistency
Free gingiva
56
What cardinal sign that is considered as pseudopocket
Tumor
57
Demarcated from the adjacent attached gingiva by shallow linear depression
Free gingiva groove
58
Normal gingival sulcus
2-3mm
59
What part of gingiva is not exist when in pristine condition
Gingival sulcus
60
It faces the oral cavity
Oral epith
61
Faces the tooh without being contact with the tooth surface
Sulcular epith
62
Contact between the gingiva and the tooth
Junctional epith
63
Considered as the progenitor cell compartment
Stratum basale or basal cell layer
64
Equipped with short cytoplasmic processes resembling spines
Stratum spinosum or pickle cell layer
65
Flattened nucleus, seems like the celll is dying
Stratum granulosum or granular cell layer
66
The entire apparatus for protein synthesis is lost
Stratum corneum or keratinized cell layer
67
Interface between the oral epith and lamina propria
Basal lamina or basement membrane
68
Aka as the base of the bucket and collar like band
Junctional epith
69
It release cytokine in epith
Lymphocytes and plasma cells
70
Located near the blood vessels
Reticulin fibers
71
Located in the apical region
Oxytalan fibers
72
Found in the outer fibrous layer of the periosteum
Elastic fibers
73
What epithelium is in contact with gingival fluid
Junctional and sulcular epith
74
It contains antibodies and immuno globulins and it cleanse the material from the sulcus
Gingival crevicular fluid or gingival fluid
75
Has the shaped of an hour glass and is narrowest at mid root level
Periodontal ligament
76
What is the physiologic mobility of PDL
0.25mm
77
Extends at right angles to the long axis of the tooth
Horizontal fibers
78
Characterized by continous deposition throughout life
Root cementum
79
It forms and support the sockets of the teeth
Alveolar bone

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