oral landmarks

Question 1

what is the bulge behind the maxillary 2nd molars known as?

Answer 1

maxillary tuberosity

Question 2

what is the hamular notch?

Answer 2

notch behind tuberosity at junction of maxilla and hamular process of sphenoid

Question 3

what is the vibrating line?

Answer 3

where hard and soft palate meet

Question 4

what does the palatine fovae play a role in?

Answer 4

the gag reflex

Question 5

where is the palatine fovae located?

Answer 5

sits just behind the vibrating line

Question 6

what is the line that runs down the centre of the hard palate known as?

Answer 6

palatine raphe

Question 7

what are the palatine rugae?

Answer 7

wrinkles at the side of the hard palate

Question 8

what is the incisive papilla?

Answer 8

elevation of tissue just behind the two central incisors/front teeth

Question 9

what is the mylohyoid ridge?

Answer 9

ridge located in lingual surface of mandible

Question 10

at what oral landmark is a LA IDB administered?

Answer 10

pterygomandibular raphe and coronoid notch

Question 11

what is the mandibular tori?

Answer 11

abnormal bony prominence

Question 12

what are the Pterygomandibular Raphe?

Answer 12

fibrous band of the buccopharyngeal fascia

Question 13

what are the attachments of the pterygomandibular raphe?

Answer 13

posterior margin = superior pharyngeal constrictor muscle

anterior margin = buccinator muscle

Question 14

what are the Fauces?

Answer 14

passageway from oral cavity to pharynx

Question 15

what type of mucosa covers the hard palate?

Answer 15

highly keratinised mucosa

Question 16

what type of mucosa covers the floor of mouth and alveolar processes?

Answer 16

lightly keratinised mucosa

Question 17

what type of mucosa covers the cheeks and inner lip surfaces?

Answer 17

thinly keratinised mucosa

Question 18

what is the APEX of the tongue?

Answer 18

the tip of the tongue

Question 19

what are the circumvallate papillae?

Answer 19

two v-shaped rows of larger, flat, cup shaped papillae on the posterior dorsum of tongue
- each contains tastebuds

Question 20

what are filiforme papillae?

Answer 20

fine, small, cone-shaped papillae covering most of the dorsum of the tongue
- gives sensation of touch

Question 21

what are the foliate papillae?

Answer 21

large, red & leaf like located on the posterior border, lateral surfaces of tongue
- contain some taste buds

Question 22

what are fungiform papillae?

Answer 22

deep red in colour and are distributed on dorsum of tongue

each one of these papillae contains a taste bud

Question 23

what is the median sulcus of the tongue?

Answer 23

slight depression in middle of dorsum of the tongue (line that runs down centre)

Question 24

what is the buccal shelf?

Answer 24

area between buccal frenulum and anterior border of masseter

in dentures = a prime support area because it is parallel to the occlusal plane and the bone is very dense