Jaw Relation Records

Question 1

2

What is used to get a centric relation record?

Question 2

3

The purpose of the muscle deprogramming is to reduce or relax muscle activity levels to eliminate muscle ____, ____, or ____. This allows for an accurate examination of the relationship of the _____ to the ______ with the muscles relaxed and the condyles in a ______.

Question 3

5

What are the 4 muscles of mastication? Which one are we most concerned with in order to get an accurate CR?

Question 4

6

Which muscle of mastication functions to elevate the mandible and approximate the teeth, as well as retract and protrude the mandible?

Question 5

6

Which muscle of mastication functions to assist with elevation and protrusion of the mandible, and helps with side to side mandibular motion to grind food?

Question 6

6

Which muscle of mastications functions to elevate and retract the mandible?

Question 7

6

Which muscle of pastication has two heads, an upper and lower, and functions as the sole muscle of mastication to cause depression of the mandible? This muscle also assists with protrusion and side to side movement of the mandible.

Question 8

7

What is the muscle that frequently prevents condylar seating?

Question 9

9

What are three types of deprogrammers that eliminates posterior occlusal contacts?

Question 10

10

What do you coat the intaglio of the deprogrammer with? In our case what material did we use?

Question 11

10

How long is enough time for the adhesive to set up?

Question 12

11

What happens if you wait too long for the adhesive to set?

Question 13

12

The lack of posterior contacts with the deprogrammer in is thought to allow the ____ to release, since it no longer has to hold the mandible in the ____ or ____ position to avoid posterior contacts.

Question 14

13

Which part of the deprogrammer faces the labial side?

Question 15

13

What is the purpose of biting on the tongue depressor?

Question 16

16

What instrument is used to mark the MI?

Question 17

16

At what angle should the patient be sitting when the deprogrammer is relaxing the muscles?

Question 18

17

Is CR joint related or tooth related?

Question 19

17

CR is the most ____ and ___ position of the condyles.

Question 20

20

The centric relation record is the most superior, anterior position of the condyles in the _____ with the _______ in between.

Question 21

24

To which tooth should you inject regisil up to?

Question 22

27

What is the purpose of the protrusive registration?

Question 23

28

Clinically, what is the protrusive bite registration made with?

Question 24

31

What is the measurement for the amount of protrusive movement we want to capture clinically?

Question 25

32

What happens if you try to capture more than 4-7 mm of protrusive movement?

Question 26

36

Once you have obtained protrusive with scoring, what do you create?

Question 27

39

What is the purpose of the protrusive trough?

Question 28

48

Alignate has:

____ taste and odor
____-staining
____ tear strength

Question 29

48

Rope wax is added to the periphery of the tray before an alginate impression to more accurately capture the ______ and ______ for the patient.

Question 30

51

___ thicknesses of rope wax go in the posterior to dam up the tray and prevent excess alginate from going down the patient’s throat

Question 31

56

Immediately bag an alginate impression and pour within _____.

Question 32

57

What material is used for the Facebow registration?

Question 33

62

What is the third point of reference for Facebow?

Question 34

65

Level the Facebow to the horizon using the __________.