2 Anatomy of Associated Oral Structures
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64 Terms
1. parotid
2. zygomatic
3. mandibular
What are the 3 major pairs of salivary glands?
Parotid
Which salivary gland and duct runs over the fourth maxillary premolar?
Zygomatic
Which salivary gland opens near the 1st and 2nd maxillary molar?
Mandibular
Which salivary gland opens on the sublingual caruncle?
Parotid salivary gland
What is 1?
Parotid duct
What is 2?
Mandibular salivary gland
What is 3?
Mandibular lymph nodes
What is 4?
Zygomatic salivary gland
What is 2?
Ducts of zygomatic salivary gland
What is 3?
Parotid duct
What is 4?
Parotid salivary gland
What is 5?
mandibular salivary gland
What is 6?
sublingual caruncle
What is 7?
sublingual salivary duct
What is 8?
Mandibular salivary duct
What is 11?
NORMAL IN CATS = lingual molar salivary gland = don't remove
You are in a cat and extracting the 1st mandibular molar. You see this swelling. Is it pathologic? What is it?
Directly caudal to secondary maxillary molar
Where do you place the maxillary nerve block?
2nd maxillary molar tooth
What is 1?
Maxillary tuberosity
What is 2?
Rostral
Trying to orient yourself, is the arrow on the right point rostral or caudal?
Landmark for caudal maxillary nerve block (remember 1 is the 2nd maxillary molar tooth)
What is the clinical significance of the locations for 1 and 2?
Orbit
What is 2?
Cat, zygomatic arch
What is 3? What animal is this?
Risk of introducing needle and going into the orbit. You also need to be careful holding the mouth open, because you can cause nerve damage and cortical blindness
Why is it not common to perform maxillary dental blocks in cats?
Infraorbital foramen
What is 1?
Middle mental foramen
What is 2?
These are the sites of nerve blocks. You perform them from the "inside" of the mouth, meaning you lift of the lips and inject the needles down to the hub at the sites
What is the clinical significance of these? Where do you perform the blocks from?
Mandibular foramen
What is this?
Mandibular foramen is the site of the inferior alveolar nerve block. This is the only one you inject from the "outside" meaning you don't have to lift up the lips or go inside the mouth
What is the clinical significance of this site? Where do you inject from?
palatine fissure
What is this?
Seeing the palatine fissure helps us to recognize a normal maxilla on radiographs
Why do we care about this landmark?
Mandibular symphysis: a fibrocartilaginous synchondrosis that is normal
What is this? Why do we care?
Mandibular canal: MAJOR LOCATION of blood/nerve supply, so keep this in mind during surgical extraction of mandibular teeth
What is this? Why do we care?
Infraorbital
What is 1? What nerve, if you block it, will approximately block this location?
Maxillary
What is 2? What nerve, if you block it, will approximately block this location?
Middle Mental
What is 3? What nerve, if you block it, will approximately block this location?
Inferior Alveolar (the mandibular foramen is the site of the inferior alveolar nerve block)
What is 4? What nerve, if you block it, will approximately block this location?
Maxillary nerve
What is 5, which will approximately block the green area?
Infraorbital nerve
What is 6, which will approximately block the red area?
Inferior alveolar
What is 19, which will approximately block the purple area?
Mental nerve
What is 19", which will approximately block the light blue area?
TRIGEMINAL splits into BOTH maxillary and mandibular nerve
Maxillary splits into both infraorbital nerves (which splits into alveolar branches) and pterygopalatine nerve (which splits into palatine nerves)
Mandibular turns into inferior alveolar nerve, which splits into both alveolar sensory nerves and mental nerve
Sensory innervation of the teeth and oral cavity starts with the trigeminal nerve (V). Talk about the approximate branches which come from that nerve.
Facial a and v
What is 13?
Lingual a and v
What is 14?
1. inferior alveolar artery --> 3 mental branches
2. major and minor palatine arteries
3. infraorbital artery --> alveolar arteries
Name the branches of the maxillary artery
Minor palatine a
What is 1, a terminal branch of the maxillary a?
Major palatine a
What is 2, a terminal branch of the maxillary a?
Maxillary a
What is 3?
Descending palatine a
What is 4, a terminal branch of the maxillary a?
Infraorbital a
What is 5, a terminal branch of the maxillary a?
Sphenopalatine a
What is 6, a terminal branch of the maxillary a?
Infraorbital a (cont.)
What is 7, a terminal branch of the maxillary a?
Rostral dorsal nasal a
What is 8, a terminal branch of the maxillary a?
Lateral nasal a
What is 9, a terminal branch of the maxillary a?
Rostral septal a
What is 10, a terminal branch of the maxillary a?
Major palatine a (cont.)
What is 11, a terminal branch of the maxillary a?
Rostral mental a
What is 4?
Inferior alveolar a
What is 1?
Middle mental a
What is 3?
Caudal mental a
What is 2?
Temporal muscle
What is hilighted in blue?
Masseter muscle
What is hilighted in yellow?
Pterygoid muscle
What is hilighted in green?
