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CD > Final > Flashcards

Final Flashcards

1
Q

An imaginary line around which the mandible may rotate within the sagittal plane.

A

Transverse Horizontal Axis

(Hinge Axis)

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2
Q

What must the work authorization form have on it?

A

Cashiers Signature, and (for this course) Stamp

Faculty Signature

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3
Q

What is required on the Tooth Order Form?

A
  • As of now, we still order our own teeth
  • Faculty must sign it
  • Needs a Cashier’s Signature
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4
Q

What do you include in the Rx section of the form?

A

Detailed instructions and expecations for the work to be provided

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5
Q

What should never be the mesial-distal inclination of the canine?

A

NEVER Distal

Also true for the laterals

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6
Q

What mesial-distal angulation gives a SOFT apperance to the laterals and canines?

A

Mesial

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7
Q

What labial-palatal angulation gives a SOFT apperance to the laterals?

A

Labial

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8
Q

What should NEVER be the labial-palatal inclination of the lateral?

A

Palatal

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9
Q

What should NEVER be the labial-palatal inclination of the canine?

A

NEVER Labial

ALWAYS Palatal

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10
Q

What rotation of the centrals gives a BOLD apperance?

A

Distal Flare

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11
Q

The centrals should NEVER have what rotation?

A

Mesial Flare

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12
Q

What rotation of the laterals give the smile a softer apperance?

A

Mesial flare

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13
Q

What rotation should the Canines NEVER have?

A

Distal lare

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14
Q

What rotation of the laterals give the smile a bold apperance?

A

Distal Flare

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15
Q

The labial surface of the Max CI should be how far forward from the center of the incisive papilla?

A

8mm

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16
Q

The … you make the lateral compared to the central incisor the younger it will look?

A

shorter (0.5-1 mm)

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17
Q

When determining if you have proper incisal edge position for phonetic concerns you test which sounds?

A

“F” and “V” sounds and they should touch at the wet dry line of the bottom lip

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18
Q

How can you validate VDO, to insure that you have not violated the closest speaking space?

A
  • Have pt say:
    • “S” words
    • “CH” and “J” sounds
  • Validate that the facial thirds are equal
  • Make note of soft tissues
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19
Q

What is the minimum space needed for speaking in VDO?

A

1 mm

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20
Q

How do you correct an excessive (open) VDO, assuming the maxillary is correct?

A
  • Put the set up back on the articulator
  • Reduce the pin setting 1-2mm
  • Heat the wax beneath the mandibular teeth and close the articulator

The opposite is true for an inadequate (closed) VDO

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21
Q

What does the pt sign when all parties are satisfied with the esthetics, phonetics, and occlusion of the set up?

A

“Approval Declaration” on the CD Step Card (yellow card)

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22
Q

What is the purpose of the Posterior Palatal Seal?

A

To enhance retention and maintain the peripheral seal of the maxillary denture base by compensating for polymerization shrinkage of denture acrylic during processing.

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23
Q

What is the vibrating line the junction between?

A

Mobile and non-mobile portions of the soft palate

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24
Q

What depth is the post dam carved to on the cast?

A

1/2 the depth of the amount of depression you are able to make in the glandular tissue

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25
Q

What is the purpose of the dixie cup transfer?

A

Preserving your face bow articulation record, so that you have it after your casts are destroyed in the investment process

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26
Q

What steps should be completed prior to the delivery appointment?

A
  1. Evaluate/Adjust Processed Dentures
  2. Create Remount Casts
  3. Remount the Maxillary Cast
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27
Q

When you evaluate processed dentures, what do you do if you find ridges, bubbles, or spicules?

A

Remove them with an acrylic bur

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28
Q

When you evaluate processed dentures, and the denture base is too thick, which surface do you remove acrylic from?

A

External Surface

NOT Intaglio

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29
Q

When creating the remount casts, place Siltech putty on the ridge area, extending it to …

A

2-3mm from the denture periphery

Denture borders should seat on gypsum product, not putty.

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30
Q

What can be used, in conjunction with measuring (perio probe) to evaluate areas of border length?

A

Disclosing Wax or PIP

  • Wax is placed in a syringe (monojet)
  • Tempered in a water bath, and applied to the denture border
  • Denture is inserted and border molding is completed in the area
  • CD is removed and any pressure areas are relieved
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31
Q

When making the new CJRR to remount casts, it is important to ask the pt to close on the back teeth, but to not let what occur?

A

Do not allow the teeth to contact, it will allow the denture to lift or shift. Hold the mandibular denture in place until the Aluwax is completely set.

32
Q

What is the temperature of the water bath set to?

A

130

33
Q

Do you adjust the denture occlusion on the mounted dentures or in the pts mouth?

A

On the mounted dentures

34
Q

When out of the mouth dentures should be where?

A

in water

35
Q

What is the ideal palatal thickness?

A

2.5 - 3mm

36
Q

What step must be done to allow the acrylic to reproduce what we created with the border molding and impression, after processing?

A

Seal Baseplate to Cast

37
Q

How long are the flasks placed into boiling water (212F or 100C)?

A

5 mins

Do not want to liquefy the wax

38
Q

What is applied to all gypsum surfaces of the flasked halves, so that the denture base resin does not adhere to the stone or plaster?

A

Tinfoil Substitute

Avoid the teeth!

39
Q

What denture base resin do we use?

A

Lucitone 199

40
Q

The press is closed to how many pounds of pressure?

A

3,500 lbs

41
Q

What area of the mandibular denture aids in its retention?

A

The concave contour of the flanges

42
Q

How deep should indexes on the casts be?

A

2-3 mm

43
Q

How much space should be between the sides of the impression tray and the tissue?

A

4 mm

44
Q

The finished base of the primary casts should be how thick at its thinnest area?

A

12-13 mm

45
Q

Trim the vertical walls of the cast to … from the impression surface?

A

3-4 mm

46
Q

How wide should the land area be? how high?

A

2-3mm wide

1-2mm high

47
Q

The maxillary custom tray should extend laterally … above the depth of the vestibule?

A

2-3mm

48
Q

How many layers of baseplate relief wax should be added?

A

1 layer

49
Q

What should the thickness of the custom tray be?

A

2 mm

50
Q

What should the maxillary custom tray handle be?

A
  • Mimic incisors
  • 12-15 degrees
51
Q

The mandibular custom tray should extend distally to …

A

cover the retromolar pad

52
Q

The mandibular custom tray should extend laterally to the …

A

external oblique line

53
Q

How much compound should you heat at a time?

A

1/2 - 3/4 of an inch

54
Q

How long do you temper the compound in the water bath for, to ensure you don’t burn the pt?

A

3-5 seconds

55
Q

What motion do you use when border molding to capture the buccal frenum?

A

Down/back/forward in a circular motion

56
Q

What motion do you use when border molding to capture the facial vestibule?

A
  • Pulling the lip down and side-to-side
  • “Fish lips” or apply suction
57
Q

What motion do you use when border molding to capture the Masseteric Notch area (around the retromolar pad)?

A

Try to close while you push and resist them - this activates the masseter muscle.

58
Q

What motion do you use when border molding to capture the sublingual crescent areas?

A

Keep pressure on the stops while asking the pt to “stick out their tongue, lick your upper lip corner to corner.”

59
Q

What motion do you use when border molding to capture the mandibular lingual areas?

A
  • Keep pressure on the stops
  • Touch their tongue as far back and side to side as they can
    • Use your finger as a target
60
Q

How long does the tray adhesive need to dry?

A

Minimum 10-15 mins

61
Q

When box molding the master impression the wax should be … below the peripheral roll?

A

2-3 mm

62
Q

Boxing wax should be … from the tallest point on the impression.

A

15 mm

63
Q

Why do we index our casts?

A

Laboratory remount - adjust occlusion prior to divesting after processing

64
Q

Are we trying to capture the muscles in an active or passive state when border molding?

A

Active

The master impression should have the muscles in a passive state

65
Q

The Record Base is an interim or permanent (Processed) denture base used to … used for…

A

support a rim material

Recording and transferring patient records

66
Q

When making the maxillary occlusal rims where should the mass of wax posteriorly be?

A

Slightly buccal to the crest of the ridge

Not past more than 1/2 of the width of the vestibule

67
Q

What are the measurements of the maxillary occlusal rims in the anterior?

A

Height = 22mm

Width = 4-6mm

68
Q

What are the measurements of the maxillary occlusal rims in the posterior?

A

Height = 20-22mm

Width = 8-10mm

69
Q

What is the angle of the maxillary occlusal rims?

A

12-15 degrees

70
Q

When making the mandibular occlusal rims where should the mass of wax be?

A

Directly centered over the crest of the ridge

71
Q

Where should the occlusal plane be on the mandibular occlusal rims?

A

No more than 1/2 - 2/3 up the retromolar pad

72
Q

What are the measurements of the anterior mandibular occlusal rims?

A

Height = 18mm

Width = 4-5mm

73
Q

What are the measurements of the posterior mandibular occlusal rims?

A

Height = 18mm

Width = 8-10mm

74
Q

How much incisal edge shows at repose?

A

2mm

75
Q

The A-P plane should be parrallel to the …

A

Ala-Tragus line

76
Q

Estimated Occlusal Vertical Dimension in an endentulous pt averages between … than the Vertical Dimension of Rest.

A

2-3mm less

VDR - OVD = Interocclusal Rest Space

CD (1 decks)

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