Lec 3

Question 1

Diseases that affect the TMJ.

Answer 1

Arthritis

Fibromyalgia

Question 2

Used to indicate where the pain is.

Answer 2

Pain drawing.

Question 3

T/F : Each body site marked with pain increases the risk of developing another pain disorder as well as for chronic pain.

Answer 3

True

Question 4

The more areas that a person marks as painful, the greater their chance of getting this.

Answer 4

TMD

Question 5

Can prescribe these if pain scale is high.

Answer 5

Pain meds or muscle relaxants.

Question 6

Where does electrical pain come from?

Answer 6

Nerves

Question 7

Dull pain comes from where?

Answer 7

Muscles

Question 8

Sharp pain is from where?

Answer 8

Joint/arthritis

Question 9

Musculoskeletal pain lasts for how long?

Answer 9

Hours

Question 10

Nerve pain lasts for how long?

Answer 10

Seconds

Question 11

TMD NEVER causes this.

Answer 11

Fever

Question 12

Associated sign with TMD and headaches.

Answer 12

Blurred vision

Question 13

Closed lock

Answer 13

Cannot open anymore

Question 14

Locked with an open mouth.

Answer 14

Open lock

Question 15

In TMD screening, this movement is added to horizontal movement to get the total horizontal movement for the patient.

Answer 15

Protrusive movement

Question 16

Open your mouth as far as you can without increasing your existing pain.

Measured from middle of #8 to the incisal edge of the mandibular central incisor.

Answer 16

Pain Free Opening

Question 17

Open as much as you can, even if it’s painful.

Answer 17

Maximum unassisted opening

Question 18

You force the mouth open.

Answer 18

Maximum Assisted Opening

Question 19

T/F:
If pain free opening is 25, Max unassisted opening is 29, and max assisted opening is 30, it’s the joint that’s the problem, not the muscle.

Answer 19

True

Question 20

Exam Q:

If maximum unassisted opening is 35, and maximum assisted opening is 33 mm, the exam was what?

Answer 20

Terminated

Question 21

If you know you can’t open too wide, is it the muscle or the joint that’s the problem?

Answer 21

JOINT

Question 22

How are lateral movements measured?

Answer 22

Between midlines

Question 23

When you can’t open all the way.

Answer 23

Closed lock

Question 24

When you can’t close all the way.

Answer 24

Open lock

Question 25

These have no diagnostic input.

Answer 25

1) Pain with a click | 2) Opening pattern

Question 26

Minimum time needed to replicate a referral pattern.

Answer 26

5 seconds

Question 27

Pain that goes beyond the area that you're palpating.

Answer 27

Referred pain

Question 28

Is TMJ imaging indicated for joint sounds?

Answer 28

No

Question 29

T/F: Condylar eccentricity is not a reliable indicator of the soft tissue status of the joint, especially bc the shape of the condylar head is not concentric to the shape of the fossa.

Answer 29

TRUE

Question 30

Are condyles in a patient mirror images of each other?

Answer 30

No

Question 31

Can pans be used for condylar position or function ?

Answer 31

No because the mandible is partly opened and protruded when the radiograph is taken.

Question 32

Sensitivity of PANS for diagnosis of TMJ problems?

Answer 32

26%

Question 33

What to look for around the condyle in a PAN.

Answer 33

Cortical plate

Question 34

Hard or soft tissue is measured in an MRI?

Answer 34

SOFT

Question 35

Views in an MRI

Answer 35

Sagittal or Coronal

Question 36

The current gold standard of diagnostic imaging technology for soft tissues.

Answer 36

MRI

Question 37

Reference line in reading MRI's for TMD.

Answer 37

Posterior band of the articular disk.

Question 38

This zone of the articular disc is always in contact with the condylar head.

Answer 38

Intermediate zone

Question 39

The band is always at or behind what time, but never anterior to it?

Answer 39

11:30

Question 40

Effusion of the TMJ

Answer 40

Swelling, inflammation and open bite.

Question 41

Need these positions for an MRI.

Answer 41

Open and closed.

Question 42

Relation of the condyle to the eminence when the mouth is open.

Answer 42

Down/anterior to the eminence.

Question 43

Imaging used to assess hard tissue.

Answer 43

CT (Computed Tomography)

Question 44

Imaging that CANNOT produce accurate images of the articular disc.

Answer 44

CT

Question 45

Tells you how much you open the jaw, how fast the movement is, and if the movement deviates to the left or right.

Answer 45

Jaw tracking

Question 46

Does jaw tracking have diagnostic validity?

Answer 46

No because there's no differences between the jaw tracking of normal and TMD patients, and no difference in chewing patterns.

Question 47

Records electrical activity of muscle.

Answer 47

Electromyography

Question 48

Is there evidence to support the use of EMG for evaluation or diagnosis of TMD.

Answer 48

No. EMG failed to discriminate between cases and controls.

Question 49

Records and graphically displays sounds made by the TMJ, but cannot be used to diagnose TMD.

Answer 49

Sonography and Vibratography.

Question 50

A device that senses and analyzes occlusal contact forces using paper-thin, disposable sensors. Tells you which is the first contact, and which is the strongest contact.

Answer 50

T-Scan