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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
The functions of the attached gingiva is to?
allow gingiva to withstand mechanical forces of mastication and toothbrushing. Prevents free gingiva from being pulled away from tooth.
26
What area is the thin rounded edge where the free gingiva meets the tooth?
Gingival Margin
27
Interdental Gingiva fills _____ and has ____ papillae?
embrasures | 2
28
The ____ is directly apical to the contact point between two teeth?
col
29
The function of the interdental gingiva is?
preventing food from getting stuck between teeth.
30
The ________ is the space between the tooth and the free gingiva?
Gingival Sulcus
31
A healthy sulcus is __-_____ mm deep?
1 | 3
32
Free and Attached Gingiva (in kids) is more ____ in color, less _____ and is usually _____.
red keratinized thinner
33
Kids can have a ___ sulcus during eruption of a tooth.
deeper
34
Kids will have a _____ PDL on x-rays?
wide
35
The width between the alveolar crest and CEJ ( in kids) is ______?
variable widths
36
What type of epithelium covers the outer part of the gingiva?
stratified squamous
37
What term is used to describe the layer of cells that separate connective tissue from epithelial tissue?
basal lamina
38
What are the 3 BROAD areas of gingival tissue?
Oral Epithelium Sulcular Epithelium Junctional Epithelium
39
The Basal Lamina and epithelial cells are joined via ____?
Hemidesmosomes
40
How do 2 JE cells join?
Desmosomes
41
The JE provides a barrier between ___ and the _____?
biofilm | connective tissue
42
The tooth interface of the JE is comprised of what 2 things?
Hemidesmosomes | Internal Basal Lamina
43
The connective tissue interface of the JE is comprised of what 2 things?
Hemidesmosomes | External Basal Lamina
44
The WAVY epithelial to connective tissue boundary is comprised of?
``` Rete Pegs (epithelial ridges) Connective Tissue Papillae ```
45
What is the purpose of the WAVY epithelial to connective tissue boundary?
Enhance Adhesion by increasing the surface area which also helps provide nourishment and helps resist mechanical forces
46
What are the 2 main components of the Extracellular Matrix?
"gel" ground substance | Fibers (collagen, elastin, reticular)
47
What CELLS can be found in the Extracellular Matrix?
Fibroblast, Mast, Macrophages, Plasma, B-Lymphocytes
48
The Epithelial Tissue has a BIGGER matrix than the Connective Tissue? T/F
False
49
The Gingival Connective Tissue is also known as the?
Lamina Propria
50
What cells are found in connective tissue?
Fibroblasts Macrophages Lymphocytes
51
What is the main function of the gingival connective tissue?
attach gingiva to cementum and bone
52
Cells comprise _____% of the gingival connective tissue?
5
53
The Function of the extracellular matrix in the connective tissues is to transport?
H2O, nutrients, metabolites, oxygen
54
What fibers in the connective tissue allow the gingiva to form a rigid "cuff" around the tooth?
Collagen Fibers
55
What fibers are found coronally to the alveolar crest?
Gingival Fiber Groups
56
The JE and Gingival fibers (together) are termed the?
Dentinogingival unit
57
How thick is the width of the PDL?
0.05- 0.25mm
58
What are the 5 Principal Fiber Groups of the PDL?
``` Alveolar Crest Apical Horizontal Interradicular Oblique ```
59
Alveolar Crest Fibers resist ______ movement of the tooth?
horizontal
60
Horizontal Fibers resist ______movement of the tooth?
horizontal
61
Oblique Fibers resist _____ movement of the tooth?
vertical
62
Apical Fibers resist _____ forces.
lifting
63
Interradicular Fibers _____ tooth?
stabilize
64
The Biological Width is comprised of ______ and _______?
``` JE (1mm) Gingival Fibers (1mm) ```
65
The Biological Width is the distance from _____ to ____?
base of sulcus | alveolar crest
66
Bone will be ______ in order to keep the Biological Width at ______mm thus making a _______ pocket?
destroyed 2 deeper

Periodontology (10 decks)

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