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DDS1-Prostho > Chpt 4: sequela of wearing dentures > Flashcards

Chpt 4: sequela of wearing dentures Flashcards

1
Q

dentures are used to maintain

A
  • physical and psychological well being
  • health of oral cavity
  • health of jaw joints
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2
Q

objectives of dentures

A
  • improve mastication
  • improve phonetics
  • improve aesthetics
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3
Q

what is inevitable about edentulism

A

resorption of residual ridge

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4
Q

consequences of denture wearing

A
  • gagging
  • altered taste perception
  • mucosal reactions
  • oral galvanic currents
  • burning mouth syndrome
  • residual ridge reduction
  • caries and perio (overdenture)
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5
Q

gagging

A
  • disappears in a few days after gradual use

- if not used: overextension, poor retention, interferences

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6
Q

altered taaste perception

A

because roof and ridges are covered by acrylate

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7
Q

mucosal reactions

A

inflammation (NOT INFECTION): redness, swelling, pain

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8
Q

what is the prevalence of denture stomatitis

A

50% for complete denture wearers

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9
Q

what causes mucosal reactions

A
  • mechanical irritation
  • toxic or allergic reaction to denture material (rare)
  • accumulation of microbial plaque (rare)
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10
Q

if there is a reaction to PAA, what are they reacting to

A

liquid component (unreacted monomers may be present)

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11
Q

Type 1 mucosal reaction

A

trauma (MECHANICAL irritation)

-LOCALIZED simple inflammation/hyperemia

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12
Q

type 2 mucosal reaction

A
  • microbial plaque, allergic, toxic rxn

- part or entire denture-covered mucosa

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13
Q

sign of type 1

A

red/purple dots (and/or ulcer)

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14
Q

sign of type 2 or 3

A

white patches that rub off

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15
Q

type 3 mucosal reaction

A

microbial plaque

  • granular
  • usually on hard palate and alveolar ridges
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16
Q

traumatic ulcers/sore spots

A
  • within a day or 2

- caused by overextended flanges or unbalanced occlusion

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17
Q

what is u leave traumatic ulcers/sore spots untreated

A

denture irritation hyperplasia

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18
Q

how to remove residual monomers to prevent allergy

A

store in water. completely removed after 17 hours

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19
Q

where is candida albicans infection found***

A

oral mucosa and denture (mainly denture)

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20
Q

why should you not wear the denture if you are treating candida albicans infection***

A

it is in the denture too and can prolong infection

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21
Q

candida albicans stays on denture due to

A
  • material
  • texture
  • microporosities
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22
Q

candida-associated stomatitis LOCAL ETIOLOGICAL FACTORS

A
  • dentures (and oral hygiene!)
  • xerostomia
  • high carbs diet
  • broad spectrum antibiotics
  • smoking
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23
Q

candida-associated stomatitis SYSTEMIC ETIOLOGICAL FACTORS

A
  • old age
  • diabetes mellitus
  • nutritional deficiencies
  • malignancies
  • immunosuppression
  • corticosteroids
24
Q

lesions associated with candida-associated stomatitis

A
  • diffuse atrophic glossitis
  • median rhomboid glossitis
  • ANGULAR CHEILITIS (S. AUREUS)
  • erythema of soft palate
25
Q

candida and s aureus

A
  • symbiotic relationship

- usually a MIXED infection

26
Q

how do you know if it is allergy or candida

A

-allergy happens very soon

27
Q

prevention and treatment of candida

A
  • correction of ill-fitting denture: adjust and fabricate a new denture
  • improve oral and denture hygiene
  • antifungal therapy
28
Q

common antifungal topical treatment

A

nystatin

29
Q

flabby ridge

A
  • fibrous tissue replaces bone
  • usually anterior maxilla
  • poor support for denture
  • removal vs. special impression techniques
30
Q

burning mouth syndrome

A
  • burning sensation of tissues in contact with dentures

- usually pts: >50 yrs, female, complete dentures

31
Q

residual ridge reduction loss in 1st year (vertical)**

A
  • 2-3 mm max
  • 4-5 mm mand
  • 0.1-0.2mm annually after
32
Q

traumatic ulcers or sore spots usually arise as a result of

A

over-extended denture flanges or errors in occlusion

33
Q

how to fix traumatic ulcer

A

use thompson colour to mark it, press denture on it, relieve area on denture

34
Q

what happens if you dont treat traumatic ulcer

A

denture irritation hyperplasia

35
Q

what is violated with cheek biting due to posterior denture teeth

A

neutral zone concept (too far buccally)

36
Q

denture irritation hyperplasia is a result of

A

chronic low-grade trauma

-unstable dentures or overextended denture flange

37
Q

in denture irritation hyperplasia, the flange extends into

A

mucosal fold

38
Q

what is present in type 3 stomatitis that isnt in type 1 or 2

A

granular, inflammatory hyperplasia

39
Q

pinpoint hyperemia

A

type 1 stomatitis

40
Q

erythema of the entire mucosa in contact with denture

A

type 2 stomatitis

41
Q

higher prevalence of denture stomatitis in

A

maxillary dentures

42
Q

diagnosis of candida associated denture stomatitis

A

finding mycelia or pseudohyphae in direct smear or isolation of species in high numbers

43
Q

primary source of the candida stomatitis infection is

A

candida adhering to fitting surface of DENTURE (NOT MUCOSA!)

44
Q

direct predisposing factor for candida stomatitis

A

presence of dentures

45
Q

treatment for candida or angular cheilitis

A

-antifungal therapy with correct prostho management and plaque control

46
Q

other major predisposing factors for candida stomatitis

A
  • unclean dentures

- poor oral hygiene

47
Q

most important preventive measure for candida stomatitis

A
  • oral and denture hygiene

- correct denture-wearing habits

48
Q

when should you be using antifungal agents

A
  • after diagnosis
  • pt has burning sensations
  • spreading
  • risk of systemic infection
49
Q

keep dentures in what at night

A

disinfectant solution of 0.2 to 2.0 % chlorhexidine

50
Q

cause of flabby ridge

A
  • excessive occlusal loading

- unstable occlusal relationships

51
Q

kelly’s syndrome

A

flabby ridge where complete upper denture and anterior mand teeth remain

52
Q

RRR is important in thin cortical bone areas such as

A
  • max: buccal and labial parts

- mand: lingual parts

53
Q

strong association between skeletal bone density and

A

bone density of mandible (mandible is also affected by osteoporosis)

54
Q

what happens to muscles and bite force

A
  • reduced bite force

- atrophy of masticatory muscles

55
Q

one thing that improves mastication and forces

A

implants

56
Q

4 facted related to diet and nutrition

A
  • oral health and mastication
  • systemic health
  • SES
  • dietary habits

DDS1-Prostho (4 decks)

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