Deck 5: Temporomandibular Joint

Question 1

Which of the following ligaments is NOT associated with the temporomandibular joint?

A)Temporomandibular joint ligament
B)Sphenomandibular ligament
C)Stylomandibular ligament
D)Stylohyoid ligament

Answer 1

D

Question 2

The temporomandibular joint is innervated by the maxillary nerve or second division of the fifth cranial or trigeminal nerve.The blood supply to the joint is from branches of the external carotid artery.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Answer 2

D

Question 3

When examining the joint,joint sounds may be heard because of disc derangement.Joint sounds are a reliable indicator of temporomandibular disorder.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Answer 3

C

Question 4

What is another term used for articular fossa of the temporomandibular joint?

A)Submandibular
B)Mandibular
C)Pterygoid
D)Temporal

Question 5

The joint disc of the temporomandibular joint is attached to the lateral and medial poles of the mandibular condyle.The disc is fully attached to the temporal bone to all sides of the bone.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 6

Opening the jaws during speech and mastication involves BOTH elevation and retraction of the mandible.When the jaws close,this involves BOTH depression and protrusion of the mandible.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 7

Which ligament associated with the temporomandibular joint prevents excessive retraction or moving backward of the mandible?

A)Temporomandibular joint ligament
B)Sphenomandibular ligament
C)Stylomandibular ligament
D)Stylohyoid ligament

Question 8

The temporal bone and mandible come together to form the temporomandibular joint BECAUSE a joint is defined as a junction or union between two or more bones.

A)Both the statement and the reason are correct and related.
B)Both the statement and the reason are correct but NOT related.
C)The statement is correct,but the reason is NOT.
D)The statement is NOT correct,but the reason is correct.
E)NEITHER the statement NOR the reason is correct.

Question 9

The dental professional plays an important role in the recognition,treatment,and maintenance of patients with temporomandibular disorder.All signs and symptoms related to temporomandibular disorder need to be recorded by the dental professional,as well as any parafunctional habits and related systematic diseases.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 10

The gliding movement of the temporomandibular joint allows the lower jaw to move forward or backward.What movement of the mandible is involved when the lower jaw moves forward?

A)Retraction
B)Protrusion
C)Elevation
D)Depression

Question 11

Which ligament associated with the temporomandibular joint is a landmark for the administration of inferior alveolar local anesthetic nerve block?

A)Temporomandibular joint ligament
B)Sphenomandibular ligament
C)Stylomandibular ligament
D)Stylohyoid ligament

Question 12

What type of temporomandibular joint movement(s)occurs during lateral deviation of the mandible or shifting of the lower jaw to one side?

A)Gliding movement on both sides
B)Rotational movement on both sides
C)Gliding movement on one side and no movement on the other side
D)Gliding movement on one side and rotational movement on the other side

Question 13

The joint disc of the temporomandibular joint is a fibrous disc located between the temporal bone and the coronoid process of the mandible on each side.This disc conforms to the shape of the bones and is related to joint movement.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 14

What occurs with the dislocation of BOTH the temporomandibular joints on a patient?

A)Subluxation
B)Cellulitis
C)Paresthesia
D)Thrombus

Question 15

What movement of the temporomandibular joint occurs MAINLY between the joint disc and the condyle of the mandible in the lower synovial cavity?

A)Retraction
B)Protrusion
C)Rotation
D)Gliding

Question 16

The rest position of the temporomandibular joint is NOT with the teeth biting together BECAUSE as we observe during mastication of food,the mandible returns to the center.

A)Both the statement and the reason are correct and related.
B)Both the statement and the reason are correct but NOT related.
C)The statement is correct,but the reason is NOT.
D)The statement is NOT correct,but the reason is correct.
E)NEITHER the statement NOR the reason is correct.

Question 17

The temporomandibular joint allows for movement of the mandible during speech and mastication.Two basic types of movement are performed by the joint and its associated muscles: a gliding movement and a rotational movement.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 18

Including examination of the temporomandibular joint during the extraoral examination is important to detect changes such as disc perforation BECAUSE disc perforation is commonly found in females and males during puberty.

A)Both the statement and the reason are correct and related.
B)Both the statement and the reason are correct but NOT related.
C)The statement is correct,but the reason is NOT.
D)The statement is NOT correct,but the reason is correct.
E)NEITHER the statement NOR the reason is correct.

Question 19

What is the fossa located on the temporal bone that articulates with the mandible?

A)Temporal fossa
B)Infratemporal fossa
C)Pterygopalatine fossa
D)Articular fossa

Question 20

What is the depression located between the condyle and coronoid process of the temporomandibular joint?

A)Sublingual fossa
B)Supraorbital notch
C)Temporal space
D)Mandibular notch

Question 21

From the following list of actions,select the procedures USUALLY used during an examination of the temporomandibular joint.(Select all that apply. )

A)Patient biting on wax impression
B)Bilateral palpation of all joint movements
C)Digital palpation of external acoustic meatus
D)Ausculation of the joint
E)Extraoral radiography of the joint region

Question 22

When considering temporomandibular disorders,MOST symptoms seem to originate from the nerve surrounding the joint.In addition,MOST recent studies support the role of temporomandibular disorders in directly causing headaches,neck or back pain,or instability.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 23

From the following list of descriptions,select those descriptions that can be applied to the joint capsule of the temporomandibular joint.(Select all that apply. )

A)Wraps around only the superior part
B)Wraps around articular eminence and fossa
C)Wraps around the condyle circumference
D)Wraps around the coronoid process circumference
E)Wraps around only the inferior part

Question 24

From the following list of descriptions,select those that can occur with aging of the joint disc of the temporomandibular joint.(Select all that apply. )

A)Thinner
B)Perforated
C)Dislocated
D)Thicker

Question 25

As a person ages or undergoes trauma to the area,the joint disc of the temporomandibular joint can become thicker or even perforated.Perforation can lead to clinical problems.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 26

From the following list of actions involving the temporomandibular joint,select those that are DIRECTLY associated with lateral deviation of the joint.(Select all that apply. )

A)Single lateral pterygoid muscle contraction
B)Gliding movement
C)Rotational movement
D)Both lateral pterygoid muscle contractions

Question 27

From the following list of descriptions,select those descriptions that can be applied to the stylomandibular ligament of the temporomandibular joint.(Select all that apply. )

A)Anatomically variable ligament
B)Formed from sphenomandibular ligament extension
C)Formed from thickened area cervical fascia
D)Consistent ligament anatomically
E)Becomes taut with mandibular protrusion

Question 28

The base of the triangular temporomandibular ligament is attached to the zygomatic process of the temporal bone and the articular tubercle;its apex is fixed to the lateral side of the neck of the mandible.This ligament prevents the excessive protrusion or moving forward for the mandible,a situation that might lead to problems with the temporomandibular joint.

A)Both the statement and the reason are correct and related.
B)Both the statement and the reason are correct but NOT related.
C)The statement is correct,but the reason is NOT.
D)The statement is NOT correct,but the reason is correct.
E)NEITHER the statement NOR the reason is correct.

Question 29

Which of the following needs to be included during an effective extraoral examination of the temporomandibular joint of a patient? (Select all that apply. )

A)Opening and closing the mouth several times
B)Moving the jaw only forward and backward
C)Palpating the depression inferior to the zygomatic arch
D)Placing a finger over the maxillary sinus region during movement

Question 30

The sphenomandibular ligament is a landmark for the administration of (long)buccal nerve block and is also involved in troubleshooting the injection due to its location.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true;the second is false.
D)The first statement is false;the second is true.

Question 31

The resting position of the temporomandibular joint can be noted with the teeth _____ so as to allow a physiologic rest for the mandible.

A)biting gently together
B)apart at approximately 2 to 4 mm
C)resting firmly together
D)apart at approximately 6 to 10 mm

Question 32

If your patient has a history of impaired movement of the temporomandibular joint,what may be occurring? (Select all that apply. )

A)Disc degeneration may be involved
B)Calcifications may be present
C)Joint disc may be thinner or even perforated
D)Aging or trauma may be involved