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Periodontology > Module 1 > Flashcards

Module 1 Flashcards

1
Q

What are the 4 tissues of the Periodontum?

A

Gingiva
PDL
Alveolar Bone
Cementum

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2
Q

What is the major function of the Periodontum?

A

Surround tooth and attach it to the jaw

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3
Q

What epithelium in the oral cavity is keratinized?

A

OE oral/outer epithelium

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4
Q

The OE includes?

A

Free and Attached Gingiva

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5
Q

What is the apical boundary of the gingiva called?

A

Alveolar Mucosa

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6
Q

The alveolar mucosa has a ___, dark ____ appearance?

A

shiny

red

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7
Q

The ________ epithelium extends from the gingival margin crest to the junctional epithelium (JE)?

A

Sulcular

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8
Q

Sulcular Epithelium is ______, and non- _____? It is _____ to liquids and has a _____ interface with the connective tissue?

A

thin
keratinized
permeable
smooth

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9
Q

The sulcular epithelium has a wavy interface with the connective tissue when ______ is taking place?

A

destruction

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10
Q

What forms the base of a sulcus?

A

JE junctional epithelium

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11
Q

The junctional epithelium is _____mm long?

A

1

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12
Q

The JE is thicker ______ and thiner _____?

A

coronally

apically

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13
Q

The JE is non- _______ and has a ______ interface with the CT?

A

keratinized

smooth

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14
Q

The JE is attached via _________?

A

desmosomes

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15
Q

What is the line between the attached gingiva and alveolar mucosa?

A

MGJ mucogingival junction

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16
Q

What is the shallow linear depression separating the free gingiva and the attached gingiva?

A

Free Gingival Groove

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17
Q

What gingiva lie coronal to the CEJ and is unattached?

A

Free Gingiva

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18
Q

The Free Gingiva is attached to the tooth via ______?

A

JE

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19
Q

The Free Gingiva has a ___, _____ outline?

A

scalloped

wavy

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20
Q

The Attached Gingiva is connected to the ______ and ______?

A

cementum (root)

periosteum (bone)

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21
Q

The attached gingiva is usually wider on which arch?

A

MX

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22
Q

The attached gingiva is narrowest in the _______ area?

A

premolar

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23
Q

Healthy attached gingiva is _____ to ______ in color but can also be _______?

A

pale
coral pink
pigmented

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24
Q

__% of people have stippling of the attached gingiva?

A

40

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25
Q

The functions of the attached gingiva is to?

A

allow gingiva to withstand mechanical forces of mastication and toothbrushing.
Prevents free gingiva from being pulled away from tooth.

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26
Q

What area is the thin rounded edge where the free gingiva meets the tooth?

A

Gingival Margin

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27
Q

Interdental Gingiva fills _____ and has ____ papillae?

A

embrasures

2

28
Q

The ____ is directly apical to the contact point between two teeth?

A

col

29
Q

The function of the interdental gingiva is?

A

preventing food from getting stuck between teeth.

30
Q

The ________ is the space between the tooth and the free gingiva?

A

Gingival Sulcus

31
Q

A healthy sulcus is __-_____ mm deep?

A

1

3

32
Q

Free and Attached Gingiva (in kids) is more ____ in color, less _____ and is usually _____.

A

red
keratinized
thinner

33
Q

Kids can have a ___ sulcus during eruption of a tooth.

A

deeper

34
Q

Kids will have a _____ PDL on x-rays?

A

wide

35
Q

The width between the alveolar crest and CEJ ( in kids) is ______?

A

variable widths

36
Q

What type of epithelium covers the outer part of the gingiva?

A

stratified squamous

37
Q

What term is used to describe the layer of cells that separate connective tissue from epithelial tissue?

A

basal lamina

38
Q

What are the 3 BROAD areas of gingival tissue?

A

Oral Epithelium
Sulcular Epithelium
Junctional Epithelium

39
Q

The Basal Lamina and epithelial cells are joined via ____?

A

Hemidesmosomes

40
Q

How do 2 JE cells join?

A

Desmosomes

41
Q

The JE provides a barrier between ___ and the _____?

A

biofilm

connective tissue

42
Q

The tooth interface of the JE is comprised of what 2 things?

A

Hemidesmosomes

Internal Basal Lamina

43
Q

The connective tissue interface of the JE is comprised of what 2 things?

A

Hemidesmosomes

External Basal Lamina

44
Q

The WAVY epithelial to connective tissue boundary is comprised of?

A 
Rete Pegs (epithelial ridges)
Connective Tissue Papillae
45
Q

What is the purpose of the WAVY epithelial to connective tissue boundary?

A

Enhance Adhesion by increasing the surface area which also helps provide nourishment and helps resist mechanical forces

46
Q

What are the 2 main components of the Extracellular Matrix?

A

“gel” ground substance

Fibers (collagen, elastin, reticular)

47
Q

What CELLS can be found in the Extracellular Matrix?

A

Fibroblast, Mast, Macrophages, Plasma, B-Lymphocytes

48
Q

The Epithelial Tissue has a BIGGER matrix than the Connective Tissue? T/F

A

False

49
Q

The Gingival Connective Tissue is also known as the?

A

Lamina Propria

50
Q

What cells are found in connective tissue?

A

Fibroblasts
Macrophages
Lymphocytes

51
Q

What is the main function of the gingival connective tissue?

A

attach gingiva to cementum and bone

52
Q

Cells comprise _____% of the gingival connective tissue?

A

5

53
Q

The Function of the extracellular matrix in the connective tissues is to transport?

A

H2O, nutrients, metabolites, oxygen

54
Q

What fibers in the connective tissue allow the gingiva to form a rigid “cuff” around the tooth?

A

Collagen Fibers

55
Q

What fibers are found coronally to the alveolar crest?

A

Gingival Fiber Groups

56
Q

The JE and Gingival fibers (together) are termed the?

A

Dentinogingival unit

57
Q

How thick is the width of the PDL?

A

0.05- 0.25mm

58
Q

What are the 5 Principal Fiber Groups of the PDL?

A 
Alveolar Crest
Apical
Horizontal
Interradicular
Oblique
59
Q

Alveolar Crest Fibers resist ______ movement of the tooth?

A

horizontal

60
Q

Horizontal Fibers resist ______movement of the tooth?

A

horizontal

61
Q

Oblique Fibers resist _____ movement of the tooth?

A

vertical

62
Q

Apical Fibers resist _____ forces.

A

lifting

63
Q

Interradicular Fibers _____ tooth?

A

stabilize

64
Q

The Biological Width is comprised of ______ and _______?

A 
JE (1mm)
Gingival Fibers (1mm)
65
Q

The Biological Width is the distance from _____ to ____?

A

base of sulcus

alveolar crest

66
Q

Bone will be ______ in order to keep the Biological Width at ______mm thus making a _______ pocket?

A

destroyed
2
deeper

Periodontology (10 decks)

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