Attached Gingiva and Alveolar Mucosa

Question 1

what are regions bound to bone between free gingiva and alveolar mucosa

Answer 1

attached gingiva

Question 2

what are the boundaries of interdental papilla

Answer 2

region of tissue located between cervical margin and interproximal contact point of two teeth (gingiva in the interproximal space)

Question 3

is interdental papilla comprised of attached and free/marginal gingiva?

Answer 3

YES

Question 4

how doess shape of interdental papilla change?

Answer 4

it depends on location in oral cavity

Question 5

what is the region of lining mucosa

Answer 5

alveolar mucosa

Question 6

alveolar mucosa boundary

Answer 6

extends from mucogingival junction to basal part of alveolus

Question 7

what is the region of mucosa between labial and buccal surface

Answer 7

alveolar mucosa

Question 8

what is alveolar mucosa comprised of

Answer 8

SSNK epithelium, CT, and submucosa

Question 9

the width of keratinized epithelium of marginal and attached gingiva is important to determine what?

Answer 9

1. strength of attachment
2. protection of CT

Question 10

what extends from free gingival groove to mucogingival junction

Answer 10

attached gingiva

Question 11

what provides structural point of attachment for alveolar mucosa and reinforces marginial gingva

Answer 11

attached gingiva

Question 12

describe attached gingiva epitheliuim

Answer 12

oral epithelium - SSPK
thick and impermeable; amount of keratinization varies

Question 13

attached gingiva type of mucosa

Answer 13

masticatory

Question 14

is mucoperiosteum present in attached gingiva

Answer 14

yes

Question 15

does attached giingiva have submucosa

Answer 15

NO! the dense lamina propria provides resistance to functional forces

Question 16

what does attached gingiva have instead due to the lack of elastic?

Answer 16

thick bundles of collagen

Question 17

does attached gingiva have prominent rete ridges

Answer 17

YES! especially between margiinal and attached

Question 18

how is attached gingiva attached to tooth and cortical plate of alveolar process?

Answer 18

gingival fiber groups in CT

Question 19

what are collagen fibers in lamina propria of FG and AG that attach gingiva to tthe tooth and bone

Answer 19

dentogingival fiber group of PDL

Question 20

what provides rigidity for free gingiva to withstand masticatory forces and help brace gingiva to tooth

Answer 20

dentogingival fiber group of PDL

Question 21

what reinforces the atttachment of the JE and connects adjacent teeth together

Answer 21

dentogingival fiber group of PDL

Question 22

[gingival OR principal] fiber group will be destroyed before [gingival OR principal] fiber (dentoalveolar) group

Answer 22

Gingival; principal

Question 23

type of dentogingival fiber group:

circumferentially surrounds tooth in free gingiva

Answer 23

circular

Question 24

type of dentogingival fiber group:

alveolar crest to free/attached gingiva

Answer 24

alveogingival group

Question 25

type of dentogingival fiber group: cementum to free and attached gingiva

Answer 25

dentogingival group

Question 26

type of dentogingival group: cementum and cortical plate

Answer 26

dentoperiosteal/supraperiosteal

Question 27

type of dentogingival group: CEJ to CEJ of adjacent teet

Answer 27

transeptal

Question 28

type of dentogingival group: attach oral and vestibule papilla

Answer 28

interpapillary

Question 29

supragingival/dentogingival fiber groups are typically found where?

Answer 29

free/marginal gingiva

Question 30

what fiber is first affected as inflammation progresses to periodontitis

Answer 30

dento-gingival

Question 31

what leads to loss of JE attachment and apical migration, and facilitates spread of infection and inflammation to underlying bone

Answer 31

loss of transeptal fibers

Question 32

what occurrs due to inflammation and facilitates loss of attachment of the JE with apical migration/gingival recession

Answer 32

destruction of gingival fiber group occuring in periodontal disease

Question 33

what is the transition point between attached and alveolar mucosa

Answer 33

mucogingival junction

Question 34

mucogingival junction type of epithelium

Answer 34

SSPK -> SSK

Question 35

are rete ridges present in mucogingival junction

Answer 35

yes, but shallow

Question 36

CT variations in mucogingival junction

Answer 36

increase in vascularizaation results in increase CT (submucosa)

Question 37

where are the histological feataures of attaches gingiva found

Answer 37

lingual and facial surface

Question 38

T/F: muogingival junction is absent on palatal surface

Answer 38

TRUE

Question 39

what determines shape of papilla

Answer 39

shape of the tooth

Question 40

what papillae are at interdental papilla

Answer 40

1. facial 2. oral

Question 41

what connects the two types of papilla

Answer 41

small interdental depression called col

Question 42

shape of anterior interdental papilla

Answer 42

pointed/triangular = gingival margin

Question 43

shape of posterior interdental pailla

Answer 43

col-broad, wedge shape

Question 44

clinical significance of interdental papilla

Answer 44

interproximal region is site for infection due to difficulty in cleaning

Question 45

what happens if transeptal fibers of dentogingival fiber group break?

Answer 45

JE will move apically to re-establish contact alveolar crest, eventually losing the attachment

Question 46

define: point where teeth meet

Answer 46

contact point

Question 47

what is the area below the contact point; normally filled with interdental papilla

Answer 47

embrasure

Question 48

what is defined as an apical shift of the marginal gingiva toward CEJ

Answer 48

gingival recession

Question 49

what are factors that influence the shape of interdental gingiva

Answer 49

1. presence/absence of contact point 2. extent of gingival recession - area often first noticed

Question 50

what results in increased susceptibility to dentin hypersensitiity and root caries

Answer 50

gingival recession

Question 51

what is the region directtly below the contact point of posterior teeth

Answer 51

interdental col (depression)

Question 52

interdental papilla containts what types of gingiva

Answer 52

attached and free

Question 53

interdental col type of epithelium

Answer 53

thin SSNK

Question 54

interdental col is continuous with what epithelium

Answer 54

junctional epithelium

Question 55

interdental col is derived from what

Answer 55

REE

Question 56

are interdental col absent if teeth are spaced or tooth is lost?

Answer 56

YES

Question 57

when does interdental col become exaggerated?

Answer 57

during inflammation

Question 58

what is the moveable region of mucosa covering the alveolar process

Answer 58

alveolar mucosa

Question 59

where can you find alveolar mucosa

Answer 59

lingual, labial, and buccal surfaces

Question 60

alveolar mucosa epithelium

Answer 60

SSNK

Question 61

are rete ridges present in alveolar mucosa

Answer 61

Yes, but shallow

Question 62

submucosa of alveolar mucosa

Answer 62

has increased vascularization

Question 63

does alveolar mucosa have glands? if so, what kind

Answer 63

Yes, mixed minor salivary glands

Question 64

what are mucosal folds that attach movable alveolar mucosa to the attached gingiva

Answer 64

frenulum

Question 65

what is a moveable tissue with a loose attachment underlying bone via submucosa

Answer 65

alveolar mucosa