Oral Landmarks

Question 1

nasolabial groove

Answer 1

separates upper lip from cheek

Question 2

philtrum

Answer 2

depression on middle of upper lip

Question 3

vermillion zone

Answer 3

dark pink portion of lips

Question 4

tubercle of the upper lip

Answer 4

raised nodule on center of upper lip

Question 5

alveolar mucosa

Answer 5

dark red near roots of teeth

Question 6

attached gingiva

Answer 6

light pink below alveolar mucosa

Question 7

free gingiva

Answer 7

extension of attached gingiva

Question 8

gingival sulcus

Answer 8

space under free gingiva

Question 9

interdental papilla

Answer 9

papilla between your teeth

Question 10

mucogingival junction

Answer 10

line between alveolar mucosa and attached gingiva

Question 11

stippling

Answer 11

orange peel appearance of attached gingiva

Question 12

incisive papilla

Answer 12

lingual to maxillary central incisors

Question 13

palatine fovea

Answer 13

bilateral indentations near the midline of the palate
located at the junction between the hard and soft palates; plays a role in the gag reflex

Question 14

palatine raphe

Answer 14

suture line that joins the 2 palatine processes at the midline

Question 15

palatine rugae

Answer 15

ridges on anterior part of palatal mucosa, on each side of midline and behind the incisive papilla

Question 16

soft palate

Answer 16

posterior portion of palate

Question 17

oropharyngeal isthmus

Answer 17

opening between oral cavity and pharynx

Question 18

palatoglossal arch

Answer 18

from soft palate to the tongue

Question 19

palatopharyngeal arch

Answer 19

from soft palate to pharynx

Question 20

palatine tonsils

Answer 20

between palatoglossal and palatopharyngeal arches

Question 21

pterygomandibular fold

Answer 21

tissue extending vertically posterior to the last maxillary molar to last mandibular molar

Question 22

uvula

Answer 22

hangs into the oropharyngeal isthmus

Question 23

palatine surface of tongue

Answer 23

anterior 2/3 of dorsal surface of tongue

Question 24

circumvallate papilla

Answer 24

very back of tongue in V-shape

Question 25

filiform papilla of tongue

Answer 25

hair-like, on palatine surface

Question 26

fungiform papilla of tongue

Answer 26

round, flat, red, on palatine surface

Question 27

foliate papilla of tongue

Answer 27

lateral sides of tongue

Question 28

floor of the mouth consists

Answer 28

lingual frenum
salivary caruncle (where lingual frenum attaches to floor of mouth)
wharton’s duct (on sublingual caruncle)
sublingual sulcus (horseshoe shaped)
sublingual fold (within sublingual sulcus)