DH100: Chapter 14: The periodontium

Question 1

clinical treatment procedure are applied.

Answer 1

clinical crown

Question 2

periodontal fibers are attached.

Answer 2

clinical root

Question 3

part of tooth covered by enamel

Answer 3

anatomical crown

Question 4

tooth covered by cementum

Answer 4

anatomic root

Question 5

lining of the oral cavity, a mucous membrane composed of connective tissue covered with stratified squamous epithelium

Answer 5

oral mucosa

Question 6

covers the gingiva and the hard palate, areas most used during the mastication of food.

Answer 6

masticatory mucosa

Question 7

covers the inner surface of the lips and cheeks, floor of the mouth, underside of tongue, soft palate and alveolar mucosa.

Answer 7

lining mucosa

Question 8

covers the dorsum of tongue. Composed of many papillae. Contain taste buds.

Answer 8

specialized mucosa

Question 9

threadlike keratinized elevations cover the dorsal surface of tongue; most numerous of papillae.

Answer 9

filiform

Question 10

mushroom-shaped papillae interspersed among the filiform papillae on the tip of tongue.

Answer 10

fungiform

Question 11

10-14large round papillae arranged in a “V” between the body of tongue and the base. Taste buds line the walls.

Answer 11

circumvallate

Question 12

vertical grooves on lateral posterior side of tongue; contain taste buds.

Answer 12

foliate

Question 13

fibrous connective tissue that surrounds and attaches the roots of teeth to alveolar bone.

Answer 13

periodontal ligament

Question 14

free gingiva; from cementum in the cervical region to the free gingiva to give support to the gingival.

Answer 14

dentogingival fibers

Question 15

attached gingiva; fr alveolar crest into the free and attached gingiva tor provide support.

Answer 15

alveologingival fibers

Question 16

circular; continuous around the neck of the tooth to help maintain the tooth in position.

Answer 16

circumferential fibers

Question 17

alveolar crest; fr the cervical cementum over the alveolar crest to blend with fibers of the periosteum of bone.

Answer 17

dentoperiosteal fibers

Question 18

fr the cervical rea of one tooth across to an adjacent tooth to provide resistance to separation of teeth.

Answer 18

transseptal fibers

Question 19

also called dentoalveolar fiber group.

Answer 19

principal fiber group

Question 20

fr the root apex to adj. surrounding bone to resist vertical forces.

Answer 20

apical fibers

Question 21

fr. the root above the apical fibers obliquely toward the occlusal to resist vertical and unexpected strong forces.

Answer 21

oblique fibers

Question 22

fr. the cementum in the middle of each root to adj. alveolar bone to resis2t tipping of the tooth.

Answer 22

horizontal fibers

Question 23

fr. alveolar crest to the cementum just below the CEJ to resist intrusive forces.

Answer 23

alveolar crest fibers

Question 24

fr. cementum between the roots of multirooted teeth to adj. bone to resist vertical and later forces.

Answer 24

interradicular fibers

Question 25

thin layer of calcified connective tissue that covers the tooth from the CEJ to, and around, the apical foramen.

-seal tubules of root dentin; attachement for periodontal fibe rgrps.

50-200 um about the apex; 30-60 about cervical area

-insensitive

Answer 25

cementum

Question 26

consist of lamina dura, surrounds tooth socket and supporting bone.

-support teeth and provide attachment for periodontal ligament fibers.

Answer 26

alveolar bone

Question 27

• adapted around each tooth. connects attached gingiva at the free gingival groove and attaches to the tooth at coronal portion o junctional epithelium.

Answer 27

free gingiva (marginal gingiva)

Question 28

shallow linear groove that demarcates the free from the attached gingiva.

Answer 28

free gingival groove

Question 29

covers the free gingiva from the gingival groove over the gingival margin

Answer 29

oral epithelium

Question 30

edge of the gingiva nearest the incisal or occlusal surface

Answer 30

gingival margin

Question 31

crevice or groove bet. the free gingiva and the tooth.

Answer 31

gingival sulcus

Question 32

base of the sulcus or pocket is also called?

Answer 32

probing depth, depth of sulcus, bottom of the pocket

Question 33

cont. of oral epithetlium covering the free gingiva.

Answer 33

sulcular epithelium

Question 34

depth of sulcus?

Answer 34

0.5mm, shallow; ave. healthy is 1.8 mm.

Question 35

serum like fluid that seeps the connective tissue through the epithelial lining of sulcus or pocket.

Answer 35

gingival sulcus fluid.

Question 36

cufflike band of stratified squam. epithelium that is continuous with the sulcular epithelium and completely encircles the tooth.

• 1-20 cells in thickness
• attachment is on enamel

Answer 36

junctional epithelium

Question 37

interproximal area is also called

Answer 37

embrasure

Question 38

depression under a contact area bet. a lingual or palatal and facial papilla that conforms to the proximal contact area.

Answer 38

col

Question 39

continuous with the oral epithelium of the free gingiva is covered w/ keratinized stratified squa. epithelium.

Answer 39

attached gingiva

Question 40

line that marks the connection bet. the attached gingiva and the alveolar mucosa.

-found on facial surface of all quadrants and on the lingual surface of mand. arch.

Answer 40

mucogingival junction

Question 41

movable tissue loosely attached to the underlying bone.

Answer 41

alveolar mucosa

Question 42

narrow fols fo of mucous membrane passes from amore fixed to a movable part.

-midline bet central incisors

Answer 42

frenum

Question 43

expressed as slight, moderate or severe

Answer 43

severity