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Flashcards in perio and caries Deck (19)
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1

what is dental caries?

bacterial infection of the minerilised tissue of the tooth

2

what is gingivitis?

inflammation of the gingival tissues at the neck of the tooth

3

what is periodontitis?

inflammation of the supporting structures of the tooth

4

what causes caries?

sugar

5

what causes periodontal disease?

poor oral hygiene

6

what is the caries stages?

streptococcus mutans (initial stages of cavity formation)
streptococcus sanguis
lactobacilli (later stages of cavity formation)

7

how long does demineralisation last?

between 20mins - 2hrs

8

what sugars is caries caused by?

sucrose- refined sugars

9

what is the normal PH level in the mouth?

7

10

what is the critical PH level in the mouth?

5.5

11

what is the role of saliva?

water, as a transport agent

12

what is candida albicans ?

only type of fungus that affects us in dentistry
oral thrush

13

what is denture sore mouth`s proper name ?

stomatitis

14

are non pathogenic microorganisms good or bad?

good

15

blood born virus survival
how long does HBV survive?

at least 7 days still capable of causing infection.

16

how long does HVC survive?

16hrs to 4 days

17

what are the 3 lines of defence?

intact skin
inflammatory response
immune system

18

signs of inflammation?

red
swollen
pain
heat
loss of function

19

types of immune response?

passive- short term immunity from birth
natural- had a disease before and your body has learnt to deal with it
acquired- immunisations, vaccination.