Denture maintenance and hygiene

Question 1

What is the pellicle?

Answer 1

salivary glycoprotein and immunoglobulin

Question 2

What does the pellicle act as a substrate to?

Answer 2

oral debris and microorganisms to adhere

Question 3

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

Answer 3

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

Question 4

What do bacteria and fungi convert sucrose to?

Answer 4

glucose

Question 5

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

Answer 5

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

Question 6

Why might elderly pts have reduced salivary flow?

Answer 6

they are on multiple medications

Question 7

What does candida have affinity for in a denture?

Answer 7

adherence to methacrylate resin

Question 8

Name bacteria found in denture plaque?

Answer 8

s. aureus

alpha strep

beta. strep

group D strep

assorted gram -ve

K. pneumoniae

e.coli

Question 9

fusobacteria causes what oral symptom?

Answer 9

excrete volatile sulphur compounds (halitosis)

Question 10

What systemic disease can denture bacteria cause?

Answer 10

pneumonia by ingestion

Question 11

What percent of denture wearing present with stomatitis?

Answer 11

up to 60% denture wearers

Question 12

What is denture stomatitis associated with?

Answer 12

night time wearers

Question 13

what classification is used for denture stomatitis?

Answer 13

Newton classification

Question 14

Newton type 1?

Answer 14

pin-point hyperaemic lesions (localised simple inflammation)

Question 15

Newton type 2?

Answer 15

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

Question 16

Newton type 3?

Answer 16

granular surface (inflammatory papillary hyperplasia)

Question 17

Newton type 1 advise to pt?

Answer 17

OHI

Question 18

Treatment for denture stomatitis?

Answer 18

Question 19

Types of denture cleaners?

Answer 19

mechanical

chemical

combination of both

Question 20

Ideal properties of denture cleaner?

Answer 20

must be easy to use

effective in removal of denture deposits

bactericidal and fungicidal properties

non-toxic to pt

harmless to denture material

Question 21

mechanical denture cleaner?

Answer 21

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

Question 22

What side of the brush does what?

Answer 22

small side- inside surfaces of denture

larger side - teeth on denture

Question 23

The main Chemical denture cleaners?

Answer 23

usually alkaline

can have hypochlorites of peroxides with their composition

Question 24

Types of chemical denture cleaners?

Answer 24

Question 25

When to use ultrasonic bath?

Answer 25

plaque build up on denture

Question 26

Instructions for denture care?

Answer 26

Question 27

Safety instructions for denture cleaning?

Answer 27

Question 28

Water above what temp change property of acrylic?

Answer 28

50 dc

Question 29

cleaning cocr?

Answer 29

soapy water

Question 30

Where to find guidelines on cleaning denture?

Answer 30

British society for gerodontology

Question 31

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

Answer 31

higher risk of caries and periodontal disease

Question 32

Why does wearing a p/p increase plaque formation?

Answer 32

Question 33

How to reduce plaque formation on the distoproximal surfaces?

Answer 33

prepare guide planes as close to he gingival margin as possible

Question 34

What teeth in p/p have more plaque accumulation?

Answer 34

abutment teeth

Question 35

preventative tx plan?

Answer 35

Question 36

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

Answer 36

12-48hours

Question 37

duraphat varnish?

Answer 37

sodium fluoride - 2600ppm hardens on contact with saliva

Question 38

advise to pt after applying fluoride varnish?

Answer 38

don't eat or drink for the next 4 hours don't brush teeth until following day

Question 39

types of fluoride varnish?

Answer 39

Question 40

Alternatives to duraphat if pt is allergic or are asthmatic?

Answer 40

xylitol

Question 41

How to use xylitol?

Answer 41

Question 42

When to use phosphopepide-amorphous calcium phosphate?

Answer 42

root exposure and xerostomia

Question 43

How to use phosphopepide-amorphous calcium phosphate?

Answer 43

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

Question 44

How to stimulate salivary flow?

Answer 44

Question 45

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

Answer 45

every 6 months high caries risk every 3 months reapply fluoride varnish... reactivate clasps