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Dentures > PPT 1 > Flashcards

PPT 1 Flashcards

1
Q

what are dentures substitutes for?

A

substitutes for NO TEETH (not for natural teeth)

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2
Q

What are dentures made of?

A

acrylic

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3
Q

Complete dentures are ___, ___, and ____ prostheses

A

Materialistic, removable, dental prostheses

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4
Q

What are the 10 variables that dentures must satisfy?

A 
"SMEAR MEALS"
Smile is pleasing
Mold of teeth is correct
Eat soft foods
Accepted by the whole world
Retention is adequate
Midline symmetrical
Enunciate clearly
Anglulations of teeth are correct
Lip support provided
Shade of teeth are right
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5
Q

What are the 28 steps of the complete denture procedure, lol!

A 
Preliminary impressions and cast
Custom tray
Border molding
Final impressions
Bending and boxing for master cast
Posterior palatal seal
Temporary baseblates & occlusal wax rims (make)
Temporary baseplates & occlusal wax rims (adjust)
Achieve facial fullness
Mark midline
Establish fox plane
Establish vertical dimensions
Unrestricted swallowing
Phonetics and Esthetics
Centric relation recorded
Adjust Articulator
Mount
Set Anterior teeth
Set Posterior teeth
A-P wax try in
Deliver dentures
Consult on limitations of dentures
24 and 72 hr post-op check
As needed post-op appts
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6
Q

Can you grow back teeth? : )

A

No way hose!

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7
Q

Everything we do as a dentist is temporary except _______

A

Extractions

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8
Q

We perform procedures with the idea that the results will be ______ and ____, but none of them are ______.

A

Durable and long-lasting, but none of them are permanent

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9
Q

The treatment planning process should reflect the reality that the balance of our success rest with what 4 things?

A
  1. Patient compliance and regular check-ups (good home oral hygiene)
  2. Anticipated material degradation-NOTHING LASTS FOREVER!
  3. Everyone’s realization of any limitations
  4. Patient acceptance
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10
Q

What are the top 9 reasons a patient may want/need a new denture?

A
  1. Destroyed denture
  2. Too old of denture
  3. Loose dentures
  4. Patient weight gain/loss
  5. Patient experiencing mid-face collapse
  6. Posterior teeth have worn down
  7. Mandible auto-rotated forward
  8. Difficulty eating
  9. Experiencing social enigmas
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11
Q

How often will dental insurance pay for a new denture?

A

Every 5-10 years

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12
Q

What are the 5 downfalls of dental insurance regarding dentures?

A
  1. Patient may not actually have coverage
  2. Need to check word-of-mouth proclamations
  3. Ask if dentures are actually covered
  4. What is the coverage schedule for dentures
  5. How many years since the last set of dentures
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13
Q

What is YMATO mean?

A

You Me All The Others

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14
Q

Why should you always have the patient ask for a second opinion on how a denture looks?

A

Because it only takes one negative comment for the patient to suddenly hate their dentures…YMATO

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15
Q

What is a negativity bias?

A

The psychological phenomenon by which humans pay more attention to and give more weight to negative rather than positive experiences of information

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16
Q

What are 3 major consequences of a negativity bias?

A
  1. Jealousy
  2. Insecurity
  3. Hinders progress
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17
Q

Do all of our patient’s have smart noodles?

A

Nope

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18
Q

Treatment of some patients may be beyond the clinical and _________ of the dental practitioner

A

Psychological scope — beware of the denture birds!

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19
Q

What are plumpers?

A

Dentures with the acrylic built-up so much that the face looks more full and youthful

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20
Q

The ultimate objective (mission impossible) is to go from _____ to _____ to the ____.

A

Endentulous arches to temporary baseplates to final denture.

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21
Q

What should you never underestimate?

A

The Gag Reflex! Expect every patient to gag.

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22
Q

Why do patients get alarmed when they are gagging?

A

They feel like they cannot breathe and that you are inexperienced.

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23
Q

What may happen when someone gags?

A
  1. Choking due to airway obstruction

2. Vomiting

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24
Q

What are 3 bets to take when making an impression?

A
  1. Anticipate gagging
  2. Anticipate drooling
  3. Anticipate tray moving
    (gagging-drooling-choking-vomit)
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25
Q

What are 5 ways you can help with the drooling and gagging?

A
  1. Have the patient lean as far forward at the waist and stick their tongue out to minimize gagging
  2. Have the patient raise the napkin to catch any drooling
  3. Hold the tray firmly in place the entire time
  4. Paint or spray PPS area with topical anesthetic
  5. Have the patient raise their legs to tense the stomach muscles
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26
Q

What are the 3 rules of 3 with Topical Anesthetic?

A
  1. Only works for 3 minutes
  2. Only spray 3 times
  3. Only get 3 chances
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27
Q

Define emulate

A
  • To strive to equal or excel, especially through imitation

- To compete with successfully; approach or attain equality with; TO MATCH, TO COPY

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28
Q

What are the 2 sets of accurate impressions we required to take?

A
  1. Preliminary impressions

2. Final impressions

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29
Q

What are the preliminary impressions used for?

A
  1. Preliminary casts
  2. Custom trays
  3. Border molding on custom trays
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30
Q

What are the final impressions used for?

A

Master casts

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31
Q

When taking an impression is important to correctly see the _______ with the impression material _______

A

Important to correctly see the placing of the trays with the impression material deep enough into the mouth (while lifting lips out of the road!)

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32
Q

What happens when the lips are strained and not lifted out of the road when taking impression?

A

Tight lips will not allow the material to be adequately seated ….will not capture the depth of vestibule and surrounding architecture

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33
Q

What is the #1 missed area in an edentulous maxillary impression?

A

Pre-maxilla including labial frenum

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34
Q

Why is the pre-maxilla the most missed place in a maxillary impression?

A

Because by not retracting the lips the impression material will never get into the pre-maxilla area

35
Q

What is the #1 missed area in an edentulous mandibular impression?

A

Lingual Flange Area - the sublingual “s” extension

36
Q

When taking mandibular impressions, you should try to retract the _____ as much as possible, and attempt to keep the _____ out of the way; ____ if possible.

A

In mandible, retract the LIPS as much as possible, attempt to keep the TONGUE out of the way; RELAX if possible

37
Q

Loose ___ needed for good impression

A

Loose LIPS

38
Q

What are the 5 procedural rules to follow when taking an impression?

A
  1. Use the correct tray size
  2. Limit necessary impression material
  3. Hold the impression in place for the entire set time
  4. Deliver necessary saliva evacuation
  5. Do not leave patient unattended
39
Q

What are the 4 OSHA required PPEs?

A
  1. Gown
  2. Mask
  3. Gloves
  4. Eye protection
40
Q

T/F: the same gloves can be used intra-orally and extra-orally

A

FALSE! Change your gloves….dont’ be gross.

41
Q

What is meant by “no free floating dentistry”?

A

Stabilize the patients head and tray from behind

42
Q

During the denture making procedure, when should you NEVER wear gloves?

A

When using the electrical lathe or air chisel

43
Q

What should you do before using an electrical lathe?

A
  1. Take off gloves
  2. Pull back hair
  3. Put on eye protection
44
Q

What tray should be used for preliminary alginate impressions in a denture patient?

A

Edentulous rim lock trays or plastic stock trays

45
Q

What are the features of an edentulous rim lock tray

A
  1. Tray is flat for edentulous ridges only
  2. No adhesive to be used
  3. Rim lock of tray retains the impression material
46
Q

How is a dentulous rim lock tray different from an edentulous rim lock tray?

A

Dentulous trays are deeper for capturing both the teeth and the ridge

47
Q

What must you use if using a plastic stock tray for your preliminary impression?

A

Must use alginate adhesive

48
Q

Should you use an edentulous rim lock tray for your final impression?

A

NO! Use custom tray

49
Q

What are the 4 advantageous features of stock plastic trays?

A
  1. Good for a multitude of impressions
  2. Can be altered to fit the mouth
  3. Perforated, but adhesive recommended
  4. Dispose of after use
50
Q

T/F: Preliminary impressions made in stock trays are not meant to be accurate final impressions

A

TRUE!

51
Q

What will always be in question in a stock tray?

A

the extension of the vestibule

52
Q

What is the best criteria when picking a stock tray?

A

A tray that will fit over the arch and confine the impression material to that area

53
Q

How can you make a plastic tray more adaptive and comfortable for the patient?

A

Putting periphery max around ENTIRE FLANGE AREA

54
Q

Why should you use blue periphery wax?

A

Blue wax is a mouth-temperature wax and will mold to fit the anatomy of the mouth

55
Q

What dictates the success of an edentulous impression?

A

Capturing the depth and total extent of the vestibule

56
Q

Describe how to correctly border mold an impression using WAX

A

Border mold the periphery wax to the intraoral contours by massaging the lips and cheeks

57
Q

With a maxillary impression, you must ____ the lips out of the way and see the impression go to ______

A

Lift the lips to see impression go to PROPER SEATING

58
Q

Technically what is alginate?

A

An irreversible hydrocolloid

59
Q

T/F: Alginate is one of the most frequently used dental materials

A

True

60
Q

Alginate is ____, ____, and _____ part of the dental practice

A

Simple, cost-effective, and indespensible

61
Q

T/F: It is relatively easy to take an alginate impression correctly the first time

A

False! Very few can make alginate impressions just right the first time

62
Q

What must be followed at all times when using alginate?

A

Must follow the powder-liquid ratio must be followed at all times! Mix it properly, Pour it properly.

63
Q

What are the 9 maxillary impression landmarks?

A
  1. Labial flange
  2. Labial notch
  3. Alveolar groove
  4. Buccal notch
  5. Median palatal groove
  6. Buccal flange
  7. Coronoid contour
  8. Hamular notch
  9. Posterior palatal seal
64
Q

A completed preliminary impression should have no major _____ or _____

A

No pressure spots or voids

65
Q

A completed preliminary impression should capture all _______

A

Peripheral extensions, including retromolar pad

66
Q

With which type of stone should you poor your casts?

A

Yellow stone

67
Q

How quickly should you pour your cast?

A

within 45 minutes

68
Q

How far back should you trim your casts?

A

2 mm beyond the landing area

69
Q

How many sheets of base wax should be tightly molded to the total maxillary and mandibular edentulous arch

A

One!

70
Q

What type of base plate wax should we use?

A

Type II or type III

71
Q

What should you block out on your maxillary cast?

A

Block out all undercuts

72
Q

Why do we use a wax spacer?

A
  1. Leaves room for impression material

2. Stops tray from over-seating

73
Q

What are the guidelines for removing wax spacer?

A
  1. Do not remove until after border molding
  2. Remove without destroying bolder molding
  3. Remove the wax spacer then add adhesive
74
Q

How should the length of the wax spacer and custom tray (triad) compare to the vestibule?

A

2mm short of the depth of the vestibule, and the frenum attachments are free

75
Q

What is the purpose of stopping the custom tray 2 mm short of the vestibule?

A

To ensure there is enough room for the bolder-molding and impression material

76
Q

What should you use to round the edges of your custom tray?

A

Metal lab bur on a slow speed handpiece

77
Q

What are the 4 important features of a finished custom tray?

A
  1. No sharp edges
  2. No interfering undercuts
  3. 2mm short of the vestibule
  4. Handle is not hitting the opposing arch
78
Q

Why can the handle of the custom tray go straight out?

A

Will hit the lips and interfere with seating

79
Q

Why can the handle of the custom tray go straight up or down?

A

Because it will hit the opposing arch

80
Q

How should the handle be position for the mandibular custom tray?

A

Should go UP and OUT of the mouth

81
Q

How should the handle be positioned for the maxillary custom tray?

A

Should go DOWN and OUT of the mouth

82
Q

What is the 2nd most missed area of impressions of maxilla?

A

Tuberosity area

83
Q

What can you do to ensure you do not miss the extension of the sublingual area when taking a mandibular impression?

A

Use enough alginate

Dentures (6 decks)

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