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intro Flashcards

1
Q

how common is edentallious patients betwen 65-74 years old

A

26%

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2
Q

how bad is it to be edentallious according to World health organization

A

Physically impaired and handicapped due to the ability to properly function

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3
Q

consequence of tooth loss on the face

A

small chin

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4
Q

does the alveolarbone stop remodeling

A

No, even with no teeth

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5
Q

fixing residual ridge resorption

A

Chronic, progessive and irversable

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6
Q

why do Complete dentures for residual ridges

A

mitigate the pressure exerted on residual ridge to further prevent resorption

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7
Q

Goals of complete dentures

A 
Stability
Retention
Esthetics
Comfort
Function
Support
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8
Q

resist lateral displacement and rotation during function

A

Stability

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9
Q

resist vertical displacement

A

Retention

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10
Q

resist vertical placement

A

Support

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11
Q

what to test for when trying in dentures

A

CR

VDO

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12
Q

what may contraindicate dental treatment

A

follow-up significant response
systemic conditions that may impact therapy
need a physician consultation
debilitating disease present

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13
Q

difficulty with edentulous patients

A

Multi-morbid patietns with complex polypharm is comm

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14
Q

side effect of anti-hypertensive meds

A

Dryness and postural hypotension

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15
Q

side effect of corticosteroid and anti-parkinsons agents

A

dryness and confusion

behavoral change

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16
Q

what therapy compromises the overal prognosis of complete denture therapy

A

therapies that lead to xerostomia

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17
Q

should roots be extracted

A

Fractured roots lying close to the surface of the mucosa

is retained or roots in the bone may be left is asymptomatic

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18
Q

what to check for in an extraoral examination

A

General appearance
Facial symmetry
eyes and skin: color, complexion, texture
lips and smile line: length, thickness, symmetry, mobility
Palpation of head and neck
Muscle tonus
TMJ examination: crepitus, clicking, popping, discomfort, deviations
Neuromuscular coordination

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19
Q

face shape for retrognathic

A

Convex

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20
Q

face shape for normal people

A

flat

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21
Q

face shape for prognathic

A

concave

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22
Q

what to check in an intraoral examination

A 
Mucosa
Cheeks
Tongue
Floor of the mouth
Maxillary tuberosities
Hard palate
Soft palate
Arch form and relationship
Residual ridge form
Quantity and quality of saliva
Presence of undercuts
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23
Q

what to check for general tissue health

A

Mucosa thickness, density, color, and displaceability

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24
Q

what type of mucosa needs conditioning

A

Pathogenic

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25
Q

why might someone need anti-fungal

A

no teeth causes folds in mouth

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26
Q

what is checked in the intraoral examination of the tongue

A

size (normal vs large)

Position (normal vs retracted/retruded-35%)

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27
Q

what happens to the denture if the floor of the mouth is near the level of the ridge crest

A

retention and stability is severely compromises

28
Q

what does hyperactive Floor Of Mouth do to a denture

A

Reduces retenetion and stability

29
Q

what happens to the floor of the mouth if great ridge resorption

A

Floor of mouth in sublingual and mylohyoid regions spills over the ridge

30
Q

what shape of residual ridge is best

A

U shape is most favorable for retention and stability

31
Q

favorability of V shaped residual ridge forms

A

Unfavorable

32
Q

favorability of Flat/shallow/knife edge residual ridge forms

A

Unfavorable

33
Q

what happens to the dneture with flat/shallow/knife edges residual ridge forms

A

Resorbed ridges

Poor resistance to lateral forces

34
Q

what happens to denture if maxillary tuberosity is hypermobile

A

Allows the denture to move

35
Q

problem with maxilary tuberosity that is enlarged with fibrous tissue

A

the maxillary occlusal plane may be placed too low

36
Q

what must be done with enlarge and fibrous maxillary tuberosities

A

surgical reduction may be necessary to create adequate interocclusal space for denture bases and teeth

37
Q

why would you do ridge alveoloplasty

A

Accomodation of Complete denture

Reduction in pressure ulcers

38
Q

Class I soft palate

A

Large and normal in form with a relatively immovable band of resilient tissue 5-12mm distal to aline drawn across the distal edge of the tuberosities

39
Q

Class II soft palate

A

MEdium size and normal in form

relatively immovable band of tissue 3-5mm distal to a line drawn across the distal edge of the tuberosities

40
Q

Class III soft palate

A

the curtain of tissue turns down abrutly 3-5 mm anterior to a line drawn across the distal edges of the tuberosities

41
Q

what are hamular notches

A

Maximum posterior extent of the maxillary dneture

42
Q

what forms the distal limit of the buccal vestibule

A

Hamular notches

43
Q

what happens if you over extend the denture from the hamular notch

A

Inflammation and pain

44
Q

what happens if you under extend a denture in relation to the hamular notch

A

Non-retentive denture

45
Q

problem with mandibular dentures ridge

A

Less surface area for retention

46
Q

tongue and floor of mouth to mandibular denture

A

interfere with retention

47
Q

where is the keratinized attached mucosa of the mandibular ridge

A

onfined to the alveolar ridge

48
Q

what happens if youover extend a mandibular denture

A

displaced

49
Q

resorption rate of mandible vs maxilla

A

mandible is 4x faster

50
Q

what makes up the buccal shelves

A

Dense cortical bone

51
Q

do the buccal shelves resorb

A

No, due to muscle attachment

52
Q

problem with frenum in the mandibl

A

can affect denture extensions

53
Q

what is the retromolar pad

A

Triangular pad of tissue at the distal end of the residual ridge

54
Q

what is found under the retromolar pad

A

dense cortical bone due to muscle attachment reistant to resorbition

55
Q

why does the retromolar pad matter to dentures

A

must be covered for suppor and lack of long term cortical bone resptions
Creates peripheral seal

56
Q

what does the retromylohyoid space determines

A

The posterior extension of the mandibular denture lingual flange
- determines stability and retention

57
Q

what does Prognosis based on

A 
bearing surface anatomy
ability to reproduce CR
Tongue Position
Floor of mouth posture
Neuromuscular control
Dental history
Psychological classification
58
Q

what should preliminary impression do

A

Accurate rep of anatomical lands that permites fabrication of properly extended custom tray

59
Q

what to do if someone has really problemmatic extraoral features

A

talk to a specialists

60
Q

facial form may help with what

A

Class I, II, and III in addition to the shape of teeth

61
Q

how far can mucosa displace

A

2mm

62
Q

can you do dnetures on someone with a problem

A

No

63
Q

ideal ridge shape

A

Class I

64
Q

CLass II ridge

A

High palatal vaul, compromising retention

65
Q

Class III ridge

A

ovoid, xombo of I and II

66
Q

what is the appointments order for Dentures

A
  1. examination, diagnoses and preliminary impressions
    - custom tray fabrication
  2. definitive edentulous impressions
    - master casts poured
  3. Maxillomandibular relationship
    - teeth are placed in
  4. esthic try-in for CR, VDO verification
  5. Delivery
67
Q

setting time for alginate

A

3-4 min

removable (5 decks)

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