Jaw Relation Records Flashcards
2
What is used to get a centric relation record?
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 ______.
5
What are the 4 muscles of mastication? Which one are we most concerned with in order to get an accurate CR?
6
Which muscle of mastication functions to elevate the mandible and approximate the teeth, as well as retract and protrude the mandible?
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?
6
Which muscle of mastications functions to elevate and retract the mandible?
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.
7
What is the muscle that frequently prevents condylar seating?
9
What are three types of deprogrammers that eliminates posterior occlusal contacts?
10
What do you coat the intaglio of the deprogrammer with? In our case what material did we use?
10
How long is enough time for the adhesive to set up?
11
What happens if you wait too long for the adhesive to set?
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.
13
Which part of the deprogrammer faces the labial side?
13
What is the purpose of biting on the tongue depressor?
16
What instrument is used to mark the MI?
16
At what angle should the patient be sitting when the deprogrammer is relaxing the muscles?
17
Is CR joint related or tooth related?
17
CR is the most ____ and ___ position of the condyles.
20
The centric relation record is the most superior, anterior position of the condyles in the _____ with the _______ in between.
24
To which tooth should you inject regisil up to?
27
What is the purpose of the protrusive registration?
28
Clinically, what is the protrusive bite registration made with?
31
What is the measurement for the amount of protrusive movement we want to capture clinically?
32
What happens if you try to capture more than 4-7 mm of protrusive movement?
36
Once you have obtained protrusive with scoring, what do you create?
39
What is the purpose of the protrusive trough?
48
Alignate has:
____ taste and odor
____-staining
____ tear strength
48
Rope wax is added to the periphery of the tray before an alginate impression to more accurately capture the ______ and ______ for the patient.
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
56
Immediately bag an alginate impression and pour within _____.
57
What material is used for the Facebow registration?
62
What is the third point of reference for Facebow?
65
Level the Facebow to the horizon using the __________.
