Occlusion Final

Question 1

In patients with an intracapsular restriction, what type of alterations will be seen in range of motion of eccentric movements?

Answer 1

Contralateral movement will be restricted, and ipsilateral movement will be normal

Question 2

In cases of heterotopic pain presentation, what clinical observations will follow local provocation and anesthetic blockage at the site of the pain (not the source)?

Answer 2

Local provocation at site = no reduction or effect on pain

Anesthetic blockade at site = no noticeable pain reduction

Question 3

Which of the following are among the 6 general rules for diagnostic injections discussed in Chapter 10?

Answer 3

All of the above
1. The clinician should have a sound knowledge of the anatomy of all structures in the region
2. The clinician should have a sound knowledge of the pharmacology of all solutions to be used
3. The clinician should avoid injecting into inflamed or diseased tissues
4. The clinician should maintain strict aspepsis at all times
5, The clinician should always aspirate before injecting all of the solution

Question 4

What is the most commonly fractured cusp in the mouth due to laterotrusive interferences?

Answer 4

Distolingual cusp of the MN 2nd molar

Question 5

Generally, for every 1 mm of interocclusal separation between the MX and MN posterior teeth, the anterior teeth separate _____ mm.

Answer 5

3 mm

Question 6

Which of the following statements is true?

Answer 6

All of the above

1. Patients can generally detect differences as slight as .0005 to .001 inches (10-20 microns)
2. If pain is present in the right joint die to an interference, the interference is probably on the left
3. Ethyl chloride is helpful in relieving muscle spasms
4. A mandibular appliance doesn’t impact speech as much as a maxillary appliance

Question 7

If a restricting muscle is located ______ to the TMJ, deflection upon opening will be to the _____ side; whereas, if the restricting muscle is located ______ to the TMJ, deflection will be to the _____ side.

Answer 7

If a restricting muscle is located LATERAL to the TMJ, deflection upon opening will be to the IPSILATERAL side; whereas, if the restricting muscle is located MEDIAL to the TMJ, deflection will be to the CONTRALATERAL side.

Question 8

Of the following, what is the best way to functionally manipulate the inferior lateral pterygoid msucle?

Answer 8

Ask the patient to protrude their mandible against resistance

Question 9

Information about a patient’s TMD history can be obtained in which of the following ways?

Answer 9

Both A and B are possible ways to obtain TMD history
A. Conversing directly
B Written questionnaire

Question 10

According to the book, with pain disorders, as much as _____% of the information needed to make the diagnosis can come from the history of the disorder.

Answer 10

70-80%

Question 11

Which of the following muscles exhibits pain on clenching, pain on clenching on a separator, AND pain when opening during functional manipulation?

Answer 11

Medial pterygoid

Question 12

Which functional manipulation test will enable you to tell apart an inferior lateral pterygoid disorder from an intracapsualr disorder?

Answer 12

Have patient clench on a separator unilaterally AND protrude against resistance

Question 13

T/F: When a patient reports previous treatments, such as an occlusal appliance, it is not advised to as the patient to bring the appliance to the evaluation appointment. This is because success of previous treatment is irrelevant, given that the patient is still presenting with symptoms for treatment in your office

Answer 13

Both statements are false

Question 14

The normal range of mouth opening when measured interincisally is between:

Answer 14

53-58 mm

Question 15

T/F: Some of the most common complaints of patients who come to the dental office is tooth sensitivity and pulpitis?

Answer 15

True

Question 16

What is the only structure that can retract the disc posteriorly?

Answer 16

Superior retrodiscal lamina

Question 17

T/F: In primary pain the source and the site are in the same location. In heterotopic pain the source is remote from the site.

Answer 17

Both statements are true

Question 18

Which are the 3 most commonly administered diagnostic nerve blocks used by dentists to determine the site from the source of pain in TMJ related conditions?

Answer 18

Dental nerve blocks. Auriculotemporal nerve block, infraorbital nerve block

Question 19

According to the book, which nerve is responsible for the primary innervation of the TMJ?

Answer 19

Auriculptemporal nerve

Question 20

T/F: Injecting a muscle can be valuable in determining the source of a pain disorder?

Answer 20

True

Question 21

According to the book, which of the following injections is used mostly for the therapeutic reasons and not for diagnostic reasons?

Answer 21

Intracapsular injections

Question 22

Which of the following correctly describes the difference between disorders with a “hard end” versus “soft end” feel?

Answer 22

Hard-end feel is associated with intracapsular disorders, while soft end feel is associated with muscular disorders

Question 23

According to the book, which of the following is not a typical clinical characteristic of myofascial pain (trigger point myalgia)?

Answer 23

Local muscle tenderness

Question 24

According to the book, which of the following represents a sudden forward movement of the condyle moving beyond the crest of the articular eminence during the latter phase of mouth opening?

Answer 24

Subluxation (hypermobility) of the TMJ

Question 25

What is the most important factor for successful treatment of TMD?

Answer 25

Proper diagnosis

Question 26

T/F: Equilibration is defined as: “The modification of occlusal forms of teeth with the intent of equalizing occlusal stress, producing simultaneous occlusal contacts, or harmonizing cuspal relations.”

Answer 26

True

Question 27

Which of the following is the “operationg” definition of centric relation?

Answer 27

A border position at the hinge axis of the jaw independent of tooth contact… with the condyles braced in the most anterosuperior direction against the posterior slopes of the eminentia.

Question 28

T/F: Prior to comprehensive occlusal adjustment of the occlusion, it is critical to determine if the jaw relationship is stable and if the condyles are seated in the fossae.

Answer 28

True

Question 29

Which of the following is the anatomic definition of centric relation?

Answer 29

The maxillo-mandibular relationship in which the condyles articulate with the thinnest articular portion of their respective discs in the anterior superior position against the posterior slope of the articular eminence.

Question 30

T/F: One of the goals of equilibration treatment is to achieve bilateral, simultaneous, and stable CO contacts in CR (BSS).

Answer 30

True

Question 31

All of the following statements are true concerning selecting tooth grinding and equilibration EXCEPT one. Which is the exception?

Answer 31

It is considered less prudent and biologically more invasive to build up a severely worn or abraded canine to improve guidance before adjusting the posterior teeth in excursive mandibular movements.