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23/24 Complete Dentures > 1 - Interim/Immediate Denture, Partially Edentulous Cast, Lab 1 (Record Base and Articulation) > Flashcards

1 - Interim/Immediate Denture, Partially Edentulous Cast, Lab 1 (Record Base and Articulation) Flashcards

1
Q

1

A

Vibrating line

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2
Q

2

A

Hamular notch

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3
Q

3

A

Tuberosity fossa

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4
Q

4

A

Posterior palatial seal

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5
Q

5

A

Median palatine Raphe

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6
Q

6

A

Fovea palatinae

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7
Q

7

A

Rugae

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8
Q

8

A

Incisive papilla

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9
Q

9

A

Coronmaxillary space

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10
Q

10

A

Residual ridge

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11
Q

11

A

labial flange

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12
Q

12

A

labial notch

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13
Q

13

A

buccal notch

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14
Q

14

A

buccal flange

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15
Q

1

A

retromolar pad

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16
Q

2

A

retromylohyoid fossa

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17
Q

3

A

lingual flange

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18
Q

4

A

lingual frenum

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19
Q

5

A

buccal shelf

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20
Q

6

A

residual ridge

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21
Q

7

A

buccal flange

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22
Q

8

A

buccal frenum

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23
Q

9

A

labial flange

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24
Q

10

A

labial frenum

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25
Q

11

A

masseter groove

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26
Q

what constitutes terminal dentition

A

> 60% bone loss, Class II/III mobility on remaining teeth

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27
Q

3 types of dentures

A
  1. interim dentures
  2. immediate dentures
  3. conventional dentures
28
Q

what denture:

patient has dentition that will be removed and prosthesis will be delivered day of surgery

A

can be interim or immediate

29
Q

what denture:

prosthesis is temporary or healing denture, not seen as a definitive denture

A

interim

30
Q

what denture:

patient will wear this denture during first 6 months of healing prior to having a definitive denture made

A

interim dentures

31
Q

what denture:

prosthesis will be their definitive denture post extraction, includes limited follow up and does not include a reline or rebase following extrations

A

immediate dentures

32
Q

what denture:

definitive denture usually made 6-8 months post extractions

A

conventional dentures

33
Q

can you use the same codes for interim, immediate, and complete dentures?

A

NO! different codes for insurance

34
Q

cost of each type of denture

A
  1. interim complete - $349
  2. interim partial - $236
  3. complete denture - $663
  4. partial denture (metal framework) - $663
35
Q

why do interim dentures (8)

A
  1. promote better healing
  2. promote better ridge form
  3. prevents collapse of facial musculature
  4. accelerates patient adaptation to dentures
  5. promote psychological and social well being (less embarassment)
  6. promotes patient health
  7. provides guide for optiomal pt esthetics
  8. provides guide for VDO
36
Q

challenges of interim dentures (6)

A
  1. increase complexity of clinical procedures
  2. limited eval of trial dentures
  3. increased patient discomfort
  4. increase denture maintenance
  5. increased patient visits
  6. increased treatment cost
37
Q

contraindications for interim dentures (4)

A
  1. poor general health
  2. poor surgical risks
  3. uncooperative because do not understand scope, demands, and limitations for tx
  4. extensive tooth loss, severe caries or periodontal disease
38
Q

what are the poor surgical risks of interim dentures (3)

A
  1. systemic conditions affect healing, blood clotting, cardiac or endocrine disturbances
  2. psychological disorders
  3. head and neck radiation patients
39
Q

a denture prosthesis is not a ___ for one’s natural teeth… rather, it is an ___ to having ___

A

replacement; alternative; nothing

40
Q

what do dentures rest on

A

movable and displaceable living tissue

40
Q

why is it important to have impressions capture specific anatomy when completing denture?

A

so that the denture has a peripheral seal (retention, stability and support from the edentulous arch) since it is resting on movable and displaceable living tissue

41
Q

what do you look at during ORAL EXAM

A
  1. soft tissues
  2. ridge and alvolar contours
  3. teeth
  4. potential PRDP abutments or over denture support roots
  5. jaw relation, occlusal plane, and VDO
42
Q

what is orange arrow

A

keratinized tissue

43
Q

what is pink arrow

A

non keratinized tissue

44
Q

what is green arrow

A

muscle attachments/frenum attachments

45
Q
A

tuberosities

46
Q

what are you examining for on alveolar ridge

A
  1. anatomy (tuberosities, tori)
  2. ridge relationship (Class I, II, III)
  3. height/width
  4. contours (undercuts)
  5. shape of arch (U/V shaped)
47
Q

what are the different arch shapes

A
  1. U shape (taller = more retention and support)
  2. V shape (tall, narrow, more difficult to wear)
48
Q

what are clinical conditions that suggest need for teeth extractions

A
  1. Advanced periodontal disease with severe bone loss around the teeth
  2. Severely broken-down crowns with subgingival residual tooth tissue that cannot be adequately restored
  3. Fractured roots
  4. Periapical or periodontal abscesses that cannot be successfully treated
  5. Unfavorably tipped or inclined teeth that pose problems for their use as abutments for fixed or removable prostheses
  6. Extruded or tipped teeth that interfere with the proper location of the occlusal plane and are not amenable to prosthodontic modification.
49
Q

T/F: when placing anterior teeth, we are using educated guesses for placement

A

TRUE

50
Q

what questions should be answered to manage patient expectations

A
  1. what are the benefits of having denture vs. other options
  2. how long will denture last
  3. what are the limitations of the denture
  4. how much will denture cost
51
Q

preparation of patient for interim/immediate dentures

A
  1. primary impressions at NRT or tx planning appointment
  2. custom trays with holes
  3. make final impressions w/ alginate in custom trays
  4. select teeth mould/shade, design interim partial if applicable on cast
  5. articulate case, set selected teeth
  6. lab gives you yellow card to process OS appointment
  7. schedule OS appointment with delivery
52
Q

when creating a final impression, you should have patient keep partial denture out for ___ hours prior to appointment. why?

A

24 hours - so that tissue can go back to normal

53
Q

how thick should vestibule and land area be on casts

A

3-4 mm

54
Q

what does it mean for patient to have tripod of stops with their teeth

A

2 posterior stops, 1 anterior stop

55
Q

how should patient bite when taking face bow record

A

max interucuspation

56
Q

what do you do if patient does not have a tripod of stops

A

you must schedule another Jaw Relation Record appointment to evalulate VDO and facebow records since we have to make record bases on the impressions

57
Q

what records the orientation of the maxilla to the terminal hinge axis and provides the same relatiev opening on the articulator as the mandible to the TMJ

A

face bow (ear bow)

58
Q

what impression material do you use to record tripod of stops

A

Clone Bite or O bite

59
Q

T/F: facebow is the same as making a CR record or MIP record

A

FALSE! facebow is NOT THE SAME as making CR record or MIP record

60
Q

when fabricating record bases that do not have enough posterior stops, where should the outline of the record base go?

A
  1. depth of vestibule
  2. HOC of teeth
  3. undercuts
61
Q

the Triad of record base should extend to what surface of the teeth

A

lingual surfaces

62
Q

what is wrong with this final cast for MD interim denture

A
  1. horseshoe shaped cast
  2. mandibular record not adapted well to teeth
63
Q

what is wrong with this cast

A

teeth fractured because alginate wasn’t removed soon enough

64
Q

when drawing outline for record base Triad, do the anterior teeth have to go to the depth of the vestibule?

A

no

65
Q

how long do you cure Triad

A

2 min each side

66
Q

you must do what do your pink baseplate wax if using clonebite/aluwax for bite registration

A

tripod of notches

23/24 Complete Dentures (6 decks)

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