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indirect Restoration > August 18, 2016 > Flashcards

August 18, 2016 Flashcards

1
Q

Diagnostic casts should be mounted in relation to what?

A

TMJ

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2
Q

Alginate is aka:

A

irreversible hydrocolloid

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3
Q

What material besides alginate can be used to take impression for diagnostic cast?

A

PVS based alginate substitute

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4
Q

Facebows record:

A

A-P and M-L spatial position of max occlusal surfaces relative to the hinge axis

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5
Q

Hinge axis:

A

transverse opening and closing axis

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6
Q

2 types of facebows (different axes):

A

Kinematic hinge axis and arbitrary hinge axis

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7
Q

True hinge axis facebow:

A

Kinematic, use limited to extensive prosth work

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8
Q

When to use arbitrary facebows:

A

most procedures

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9
Q

Facebows measure:

A

avg position of the hinge axis

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10
Q

Ant ref pt for fb:

A

infraorbital foramen, nasion, etc.

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11
Q

What does the Bite-Fork of the Hanau Spring -Bow support?

A

max cast

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12
Q

How to align the bite registration record using the fb:

A

line on pole attached to arch should be centered in pts midline

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13
Q

How to trim the bite registration for fb:

A

leave cusp tips

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14
Q

Why trim the bite reg for fb:

A

max would not occlude properly

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15
Q

When taking bite reg for fb, is the rod on the pts R or L?

A

L

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16
Q

Tighten the knobs of fb in this order:

A

vert, hor, A-P (follow the fb back from the earplugs and tighten in the order that you reach them)

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17
Q

Which of the 3 adjustments to use to elevate the ant ref point:

A

vertical adjustment

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18
Q

ant reference point should be:

A

parallel to the orbitale

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19
Q

TF? The max cast is mounted to the man cast.

A

F. opposite

20
Q

2 categories of interocclusal registrations:

A

Centric and eccentric

21
Q

Centric reg is aka:

A

static

22
Q

Eccentric reg is aka:

A

dynamic

23
Q

Centric reg includes:

A

centric relation records and MI records

24
Q

Eccentric reg includes:

A

Lateral excursive records and protrusive records

25
Q

cent relation:

A

condyles in most anterosuperior position in the glenoid fossa, condyles art with thinnest avascular portion of the respective disks

26
Q

purpose of eccentric registration records:

A

to help us set the condylar fossae elelements on articulator to mimic man moves

27
Q

Lateral interocclusal records are used to:

A

set the condlar elements of an articulator

28
Q

Avg condylar inclination:

A

30d

29
Q

TF? Lateral interocclusal record must be done in complete occlusion.

A

F. wo occlusal contacts

30
Q

3 types of articulators:

A

small non-adj, semi-adj, fully adj

31
Q

What type of art is the Hanau that we use?

A

semiadjustable

32
Q

What can’t we reproduce with the small non-adj art?

A

man moves

33
Q

Is the distance bw the hinge and the tooth to be restored greater or less than compared to the pt when usind a small non-adj art?

A

significantly less

34
Q

Main problem w using the small non-adj art:

A

distance bw the hinge and the tooth to be restored is sig less than compared to the pt., don’t reproduce full range of motion

35
Q

What type of occlusion do you get when using a small non-adj art?

A

hyperocclusion, more chair side adjustments

36
Q

2 types of semi-adj arts:

A

Arcon, non-arcon

37
Q

Arcon:

A

same as pt, condyle in lower element, ours

38
Q

Non-arcon:

A

condyle in upper element

39
Q

The mech fossae of arcon and non-arcon arts are fixed in relation to:

A

arcon: occ plane of max, non-arcon: occ plane of man

40
Q

Fully adjustable art:

A

follow pts border moves via pantographic tracings

41
Q

4 Prosth areas:

A

fixed, maxillof, implant, removable

42
Q

Ex’s of indirect partial restos:

A

inlay, onlay

43
Q

Diagnostic workup includes:

A

history, examination, mounted diagnostic casts, and diagnosis and prognosis

44
Q

3 parts of the diagnostic work-up examination:

A

intraoral, extraoral, and rg

45
Q

What is the extraoral exam?

A

position of lips in rest and exagerated smile

46
Q

4 uses of diagnostic casts:

A

diagnosis, preop planning, pt records, pt presentations

indirect Restoration (54 decks)

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