mandible and muscles of mastication

Question 1

what part of the mandible articulates with the temporal bone

Answer 1

condylar process

Question 2

what muscle attaches to the superior mental spine

Answer 2

genioglossus

Question 3

what muscle attaches to the inferior mental spine

Answer 3

geniohyoid

Question 4

what passes through the lingual foramina

Answer 4

sublingual arteries

Question 5

what type of joint is the temporomandibular joint

Answer 5

synovial

Question 6

what is the function of the articular disc in the temporomandibular joint

Answer 6

permits a hinging movement and a foward and backward gliding movement

Question 7

what is the function of the articular capsule in the temporomandibular

Answer 7

ensures that the joint is sealed, keeping the lubricating synovial fluid within the joint and provides stability to the joint by limiting joint movement

Question 8

what muscles is the temporomandibular disk attached to

Answer 8

lateral pterygoid muscles

Question 9

what is the TMJ innervated by

Answer 9

mandibular nerve (third root of trigeminal nerve)

Question 10

what arteries supply the TMJ

Answer 10

the superficial temporal artery and maxillary artery

Question 11

what artrey supplies the lateral pterygoid muscle

Answer 11

pterygoid branch of maxillary and ascending palatine branch of the facial artery

Question 12

where does the lateral pterygoid muscle arise from

Answer 12

greater wing of the sphenoid and and lateral aspect of the lateralpterygoid plate

Question 13

where does the lateral pterygoid muscle insert

Answer 13

hollow in jaw infront of condylar process and onto the capsule of the TMJ and infront of edge of articular disk

Question 14

what is the function of the lateral pterygoid muscle

Answer 14

opens jaw

Question 15

what innervates the lateral pterygoid muscle

Answer 15

mandibular branch of the trigeminal nerve

Question 16

where does the medial pterygoid muscle arise from

Answer 16

Arises from both the pterygoid plates; the medial aspect of the lateral one, and the lateral aspect of the medial one as well as the tuber of the maxilla

Question 17

what is the medial pterygoid muscle innervated by

Answer 17

the medial pterygoid branch of the mandibular division of the trigeminal nerve

Question 18

what arteries supply the medial pterygoid muscle

Answer 18

the pterygoid branches of maxillary artery and muscular branches of the facial artery

Question 19

where does the temporalis arise from

Answer 19

temporal fossa and fascia

Question 20

what is the temporalis innervated by

Answer 20

the deep temporal nerves of the mandibular nerves

Question 21

where does the temporalis attach

Answer 21

. They insert on the outer aspect, and the inner aspect of the coronoid process, and also on the anterior part of the ramus of the mandible

Question 22

what artery supplies the temporalis

Answer 22

the anterior deep temporal artery (ADTA), the posterior deep temporal artery (PDTA), and the middle temporal artery (MTA).

Question 23

where does the masseter arise from

Answer 23

zygomtatic arch

Question 24

where does the masseter attach

Answer 24

angle and ramus of mandible

Question 25

what is the masseter innervated by

Answer 25

mandibular branch of crainal nerve V

Question 26

what artery supplies the masseter

Answer 26

the masseteric artery, a branch of the internal maxillary artery

Question 27

where does the sphenomandibular ligament run

Answer 27

from spine of sphenoid to the lingula

Question 28

where does the stylomandibular ligament run

Answer 28

styloid process to angle of mandible

Question 29

what is the function of the lateral temporomandibular ligament

Answer 29

Prevents posterior displacement of the resting condyle and initiates translation of condyle upon mouth opening.

Question 30

what is the lateral temporomandibular ligament attached to

Answer 30

zygomatic process of temporal bone and the lateral surface and posterior border of the neck of the condyle