Oral Cavity

Question 1

free gingiva

Answer 1

surrounds tooth but not directly attached; outer wall of gingiva sulcus

Question 2

attached gingiva

Answer 2

mucosa firmly bound to alveolar process and tooth

Question 3

interdental papilla

Answer 3

fills interproximal space between adjacent teeth

Question 4

mucogingival junction

Answer 4

where tissues forming gingiva (coral pink) join alveolar mucosa (shiny red)

Question 5

labial frenulum

Answer 5

folds of mucosa extending from gingiva to lower and upper lips

Question 6

lingual frenulum

Answer 6

fold of mucosa extending from gingiva to ventral surface of tongue

Question 7

pterygomandibular raphe

Answer 7

tendinous fusion line between buccinator and superior pharyngeal constrictor muscles

Question 8

palatoglossal fold

Answer 8

anterior margin of tonsillar fossa’; mucous membrane passes from soft palate to side of tongue

Question 9

palatopharyngeal fold

Answer 9

posterior margin of tonsillar fossa; mucous membrane from soft palate to lateral wall of pharynx

Question 10

mandibular ramus

Answer 10

broad quadilateral part of mandible projecting behind lower teeth
two surfaces
four borders
two processes

Question 11

uvula

Answer 11

fleshy mass of tissue that hangs from soft palate

Question 12

palatine tonsil

Answer 12

lymphoid tissue covered with mucous membrane between palatoglossal and palatopharyngeal folds

Question 13

parotid papilla

Answer 13

projection at opening of parotid duct opposite upper second molar

Question 14

fordyce spots

Answer 14

condition of numerous small, yellow-white pustules on inner surface/ vermillion of lips

Question 15

incisive papilla

Answer 15

elevation of mucosa at anterior end of palatine raphe on hard palate, posterior to upper incisors; overlies incisive fossa

Question 16

palatal rugae

Answer 16

lateral folds of mucous membrane on hard palate

Question 17

palatine raphe

Answer 17

medial longitudinal ridge of mucosa

Question 18

palatal torus

Answer 18

bony ridge along hard palate at fusion of left/ right jaw segments

Question 19

sublingual papillae

Answer 19

covers sublingual gland below tongue

Question 20

sublingual fold

Answer 20

v-shaped elevation on either side of tongue marking sublingual gland position

Question 21

mandibular spine

Answer 21

protuberance on the mandibular ramus to which the sphenomandibular ligament is attached

Question 22

filiform papilla

Answer 22

numerous conical keratinised projections of dorsum of tongue
Texture

Question 23

fungiform papilla

Answer 23

mushroom-shaped projections, with taste buds on epithelium
Taste, touch, temperature

Question 24

circumvallate papilla

Answer 24

8-12 dome-shaped projections on dorsum on tongue

Question 25

foliate papilla

Answer 25

short vertical folds on lateral margins of tongue Tatse

Question 26

types of oral mucosa

Answer 26

masticatory lining specialised

Question 27

lingual tonsil

Answer 27

lymphoid tonsil between circumvallate papillae and epiglottis on posterior part of tongue

Question 28

oral vestibule

Answer 28

gap between teeth/gums and lips/ cheeks

Question 29

oral cavity proper

Answer 29

gap between upper and lower arches

Question 30

lingual tori

Answer 30

hills of bone covered by normal gum tissue under tongue

Question 31

sulcus terminalis

Answer 31

junction between anterior 2/3rd and posterior 1/3rd of tongue

Question 32

foramina of hard palate location nerve transmitted

Answer 32

Incisive- anterior midline; nasopalatine nerve Greater palatine- medial to 3rd molar; greater palatine nerves Lesser palatine- posterior to greater palatine; lesser palatine nerve

Question 33

innervation of anterior 2/3rds of tongue

Answer 33

general- lingual nerve taste- chorda tympani

Question 34

innervation of posterior 1/3rd of tongue

Answer 34

general and taste: glossopharyngeal nerve

Question 35

motor innervation of tongue

Answer 35

hypoglossal nerve- genioglossus, hyoglossus, styloglossus vagus nerve- palatoglossal muscle

Question 36

bones of hard palate

Answer 36

palatine processes of maxilla horizontal plates of palatine bones

Question 37

vibrating line

Answer 37

junction between hard and soft palate