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BDS3 Prosthodontics - RPD > Denture maintenance and hygiene > Flashcards

Denture maintenance and hygiene Flashcards

1
Q

What is the pellicle?

A

salivary glycoprotein and immunoglobulin

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2
Q

What does the pellicle act as a substrate to?

A

oral debris and microorganisms to adhere

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3
Q

What is the effect of certain bacteria and fungi converting sucrose to glucose?

A

glucose acts as a protective plaque covering under which they can proliferate

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4
Q

What do bacteria and fungi convert sucrose to?

A

glucose

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5
Q

When is sucrose to glucose and subsequent plaque formation favoured by bacteria and fungi?

A

when salivary flow rate is decreased and by rough or otherwise irregular surfaces

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6
Q

Why might elderly pts have reduced salivary flow?

A

they are on multiple medications

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7
Q

What does candida have affinity for in a denture?

A

adherence to methacrylate resin

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8
Q

Name bacteria found in denture plaque?

A

s. aureus

alpha strep

beta. strep

group D strep

assorted gram -ve

K. pneumoniae

e.coli

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9
Q

fusobacteria causes what oral symptom?

A

excrete volatile sulphur compounds (halitosis)

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10
Q

What systemic disease can denture bacteria cause?

A

pneumonia by ingestion

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11
Q

What percent of denture wearing present with stomatitis?

A

up to 60% denture wearers

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12
Q

What is denture stomatitis associated with?

A

night time wearers

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13
Q

what classification is used for denture stomatitis?

A

Newton classification

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14
Q

Newton type 1?

A

pin-point hyperaemic lesions (localised simple inflammation)

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15
Q

Newton type 2?

A

diffuse erythema confined to the mucosa contacting the denture (generalised simple inflammation)

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16
Q

Newton type 3?

A

granular surface (inflammatory papillary hyperplasia)

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17
Q

Newton type 1 advise to pt?

A

OHI

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18
Q

Treatment for denture stomatitis?

A
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19
Q

Types of denture cleaners?

A

mechanical

chemical

combination of both

20
Q

Ideal properties of denture cleaner?

A

must be easy to use

effective in removal of denture deposits

bactericidal and fungicidal properties

non-toxic to pt

harmless to denture material

21
Q

mechanical denture cleaner?

A

soap (liquid), water and soft brush
= effective at removing biofilm an debris

22
Q

What side of the brush does what?

A

small side- inside surfaces of denture

larger side - teeth on denture

23
Q

The main Chemical denture cleaners?

A

usually alkaline

can have hypochlorites of peroxides with their composition

24
Q

Types of chemical denture cleaners?

A
25
Q

When to use ultrasonic bath?

A

plaque build up on denture

26
Q

Instructions for denture care?

A
27
Q

Safety instructions for denture cleaning?

A
28
Q

Water above what temp change property of acrylic?

A

50 dc

29
Q

cleaning cocr?

A

soapy water

30
Q

Where to find guidelines on cleaning denture?

A

British society for gerodontology

31
Q

What causes a higher risk of developing caries with a p/p?

A

higher risk of caries and periodontal disease

32
Q

Why does wearing a p/p increase plaque formation?

A
33
Q

How to reduce plaque formation on the distoproximal surfaces?

A

prepare guide planes as close to he gingival margin as possible

34
Q

What teeth in p/p have more plaque accumulation?

A

abutment teeth

35
Q

preventative tx plan?

A
36
Q

Time period where fluoride varnish is being up taken into tooth?

A

12-48hours

37
Q

duraphat varnish?

A

sodium fluoride - 2600ppm

hardens on contact with saliva

38
Q

advise to pt after applying fluoride varnish?

A

don’t eat or drink for the next 4 hours

don’t brush teeth until following day

39
Q

types of fluoride varnish?

A
40
Q

Alternatives to duraphat if pt is allergic or are asthmatic?

A

xylitol

41
Q

How to use xylitol?

A
42
Q

When to use phosphopepide-amorphous calcium phosphate?

A

root exposure and xerostomia

43
Q

How to use phosphopepide-amorphous calcium phosphate?

A

it follows the use of fluoridated toothpaste twice a day using a cotton swab, finger or custom tray

44
Q

How to stimulate salivary flow?

A
45
Q

How often would you review a pt with a p/p?

A

every 6 months

high caries risk every 3 months

reapply fluoride varnish…

reactivate clasps

BDS3 Prosthodontics - RPD (23 decks)

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