Dental & Orofacial Anatomy

Question 1

oral mucosa is composed of

Answer 1

stratified squamous epithelium and connective tissue

Question 2

keratinized

Answer 2

layer of dead skin cells; no nuclei

Question 3

Parakeratinized

Answer 3

dead and dying cells with and without nuclei

Question 4

nonkeratinized

Answer 4

living cells (have nuclei)

Question 5

3 Functions of the mucosa

Answer 5

1. protect oral structures
2. secretes moisture to maintain surface texture and keep tissues moist
3. absorbs nutrients

Question 6

3 categories of the mucosa

Answer 6

1. specialized
2. masticatory
3. lining

Question 7

specialized mucosa is located

Answer 7

dorsum or upper surface of the tongue

Question 8

Masticatory mucosa is comprised of

Answer 8

gingiva and hard palate

Question 9

masticatory mucosa undergoes trauma during

Answer 9

mastication (chewing)

Question 10

lining mucosa consists of (4)

Answer 10

cheeks, soft palate, floor of mouth and alveolar mucosa

Question 11

T/F Lining mucosa is non-keratinized

Answer 11

true

Question 12

Masticatory mucosa is keratinized or non keratinized

Answer 12

keratinized

Question 13

gingiva is dovided into 2 regions which are

Answer 13

free gingiva (marginal gingiva) and attached gingiva

Question 14

what is the sulcus

Answer 14

space from gingival margin to base of sulcus where it attaches to tooth

Question 15

the average depth of a healthy sulcus is

Answer 15

1-3mm

Question 16

at the bottom of the sulcus is where the gingiva attaches to the tooth this is known as

Answer 16

attached epithelium

Question 17

one of the first areas involved in perio disease is

Answer 17

interdental papilla

Question 18

interdental papilla is to prevent food from impacting

Answer 18

interproximally beneath contact areas of teeth

Question 19

what is tightly attached to the underlying connective tissue and bone

Answer 19

attached gingiva

Question 20

when healthy the attached gingiva has what kind of appearance

Answer 20

Stippled & pink

Question 21

in a diseased state gingiva may become what colour

Answer 21

red, white, blue

Question 22

important health indicators of the oral mucosa tissue are

Answer 22

color , tone, and contours

Question 23

whiteish epithelium results from (examples)

Answer 23

irritation of the mucosa; braces, dentures

Question 24

The oral cavity is the beginning of what body system and pathways to what body system

Answer 24

Beginning of digestive system and pathway to respiratory system

Question 25

2 divisions of oral cavity

Answer 25

Vestibule and oral cavity proper

Question 26

The vestibule is the space that exists between

Answer 26

The lips or cheeks and the teeth

Question 27

Oral cavity proper is the area surrounded by and includes what

Answer 27

Surrounded by the teeth and back to paletine tonsils and includes floor of the mouth and both hard and soft palate

Question 28

Forum of the tongue refers to

Answer 28

The top surface of the tongue

Question 29

The central surface of the tongue refers to the

Answer 29

Under surface of the tkngue

Question 30

The alveolar bone is the bone that forms

Answer 30

The sockets of the teeth

Question 31

Philtrjm refers to what area of the vestibule

Answer 31

Small depression at midline of upper lip (cleft palate)

Question 32

Mucobuccal food is the point where

Answer 32

The lips/cheeks turns to go toward the gingival tissue

Question 33

Alveolar mucosa refers to the mucosa lying against

Answer 33

The alveolar bone

Question 34

Microtonal junction is the point where the gingiva

Answer 34

Becomes tightly attached to the bone

Question 35

Maxillary labial Freud is a fold of connective tissue found where

Answer 35

Attached to upper alveolar mucosa

Question 36

A diastema refers to

Answer 36

A space between teeth

Question 37

Mandibles labial frenum

Answer 37

Connective tissue attached to lower alveolar mucosa

Question 38

A tight mandibular labial frenum could cause what issue

Answer 38

Gum recession

Question 39

Some pigmentation of the gums can be seen in what kind of patients

Answer 39

Darker skin toned patients

Question 40

The mucosa contains many small salivary glands: true or false

Answer 40

True

Question 41

Misplaced sebaceous glands are referred to as what and appear how

Answer 41

Fordyce granules; yellowish granular structures embedded in mucosa

Question 42

Exostosis refers to

Answer 42

Bony growths. Found on buccal alveolar bone

Question 43

Rugae are what on the hard palate

Answer 43

Ridges of epithelial and connective tissue (covered by keratinized epithelium)

Question 44

Incisive papilla is a

Answer 44

Bulge of tissue at middling behind max incisors

Question 45

Tori refer to

Answer 45

Excess bone growths on max hard palate or under tongue

Question 46

A uvula aids in what processes

Answer 46

Speech and swallowing

Question 47

Retromolar pad

Answer 47

Small elevation of tissue posterior to last molar

Question 48

Fauces refers to the space between what

Answer 48

Tonsils

Question 49

Ankyloglossia refers to

Answer 49

Tongue tie

Question 50

The tissue found where is the thinnest on the oral cavity

Answer 50

Beneath the tongue

Question 51

Sublingual caruncles

Answer 51

Opening for the 2 major salivary glands small elevations on either side of lingual frenum

Question 52

Sublingual fold

Answer 52

Small openings for sublingual Salivary glad