oral cavity Flashcards
just double check n supply
Name the boundaries of the oral cavity
roof: palate
floor: tongue
Lateral wall: cheek
Ant wall: lips
Oral cavity communicates with the outside through_____
oral fissure
Oral cavity communicates with the oropharynx through the ______
oropharyngeal isthmus
The oral cavity comminicates with the ____ through the oropharyngeal isthmus
oropharynx
The oral cavity is divided into 2 parts : 1) ___ 2)___
vestibule
oral cavity proper
_____ is the space btw the teeth and lips / cheek
vestible
_____ is the space past the teeth
oral cavity proper
______: a median fold of m.m connecting the internal surface of the upper lip to the outer surface of upper gingiva
frenulum
frenulum of the upper lip connects the _____ of the upper lip to the outer surface of the upper ____
upper lip
gingiva
(same for lower lip)
______: median fold of m.m. connecting the inferior surface of the tongue to the floor of the mouth
frenulum linguae
_____: a fold of m.m over the sunlingual salivary gland
sublingual fold (plica)
the sublingual fold covers which gland?
sublingual salivary gland
Plica is ______
aka sublingual fold
_______: a papillae on each side frenulum of tongue that holds the submandibular duct
sublingual papilla (caruncle)
Location of the parotid gland
opposite upper second molar tooth
(3) sensory nerves to the cheek
Infrarbital (V2) Zygomaticofacial N (V2) Buccal N (V3)
origin of infraorbital N
V2
Origin of the zygomaticofacial N
V2
Origin of the buccal N
V3
(2) N to the lips
Infraoribital N (V2) Mental N (V3)
N for the upper lip ( and origin)
infraorbital N (V2)
N for the lower lip (and origin)
mental N (V3)
Which divisions of the trigem are purely sensory?
V1, V2
Which division of the trigeminal gives (S/M)
mandibular N
- to the muscles of mastication, tensor vili palatini, and temporal tempini
c.c.____ : inflam of the mm of the mouth
stomatitis
c.c. _____ : canker sores
aphthous stomatitis
Name the five parts of the tooth
crown neck root root canal apical foramen
__: visible part of the tooth
crown
___: part of the tooth that is at the level of the gums
neck
____: the embedded portion of the tooth
root
____foramen: where the N’s and blood vessels enter through to go into the root canal
apical foramen
Number of permanent teeth
32
incisors: 4
canines: 2
premolars: 4
molars: 6
Number of deciduous teeth
20
Incisors: 4
Canines: 2
Molars : 4
There are no _____ deciduous teeth
premolars
and 2 less molars
Origin of the superior/inferior alveolar arteries
maxillary A.
_____&_____ arteries supply the teeth
superior and inferior alveolar art.
from the maxillary art
superior alveolar N origin
maxillary V2
Inferior alveolar N origin
mandibular V3
___& _____ lymph nodes drain the oral cavity
submental & submandibular
The mandibular N and maxilary N split after the _____gg
trigeminal gg
The maxillary N gives off the ________ to the upper teeth
Post, middle, and anterior superior alveolar N
______ : is the anterior 2/3 of the palate
hard palate
The hard palate is formed by the _______ of the maxillary bone and the ______ of the palatine bone
palatine processes
horizontal plates
What two bones make up the hard palate
maxillary & palatine bones
palatine process and horizontal plates