perio and caries

Question 1

what is dental caries?

Answer 1

bacterial infection of the minerilised tissue of the tooth

Question 2

what is gingivitis?

Answer 2

inflammation of the gingival tissues at the neck of the tooth

Question 3

what is periodontitis?

Answer 3

inflammation of the supporting structures of the tooth

Question 4

what causes caries?

Answer 4

sugar

Question 5

what causes periodontal disease?

Answer 5

poor oral hygiene

Question 6

what is the caries stages?

Answer 6

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

Question 7

how long does demineralisation last?

Answer 7

between 20mins - 2hrs

Question 8

what sugars is caries caused by?

Answer 8

sucrose- refined sugars

Question 9

what is the normal PH level in the mouth?

Answer 9

7

Question 10

what is the critical PH level in the mouth?

Answer 10

5.5

Question 11

what is the role of saliva?

Answer 11

water, as a transport agent

Question 12

what is candida albicans ?

Answer 12

only type of fungus that affects us in dentistry

oral thrush

Question 13

what is denture sore mouth`s proper name ?

Answer 13

stomatitis

Question 14

are non pathogenic microorganisms good or bad?

Answer 14

good

Question 15

blood born virus survival

how long does HBV survive?

Answer 15

at least 7 days still capable of causing infection.

Question 16

how long does HVC survive?

Answer 16

16hrs to 4 days

Question 17

what are the 3 lines of defence?

Answer 17

intact skin
inflammatory response
immune system

Question 18

signs of inflammation?

Answer 18

red
swollen
pain
heat
loss of function

Question 19

types of immune response?

Answer 19

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