dental lecture

Question 1

how many nz chilren develop dental caries

Answer 1

45%

Question 2

why are children more susceptable to caries

Answer 2

primary dentition is thinner so more susceptable

Question 3

caries are:

Answer 3

the progressive errosion of dental tissue

Question 4

developmental factors for caries

Answer 4

bacteria
substrates
susceptibility

Question 5

caries: bacteria-

Answer 5

live in plaque

Question 6

caries: substrates

Answer 6

things that might be in oral cavity, eg increased sugars, decreased O2, sugar feeds the bacteria and they grow

Question 7

caries: susceptability means

Answer 7

eg between teeth, pits(grooves in teeth surface), decreased flouride, decreased saliva, poor oral hygiene

Question 8

stages of caries:

Answer 8

1. enamal leisoins
2. enamal decay
3. dentin decay
4. pulp involvement
5. abscess

Question 9

stage 1 of caries

Answer 9

enamel decay
little bit of demineralisation in the enamal, appears as chalky wite spots, remineralisation can occur

Question 10

stage 2 of caries

Answer 10

enamel decay
errosion or loss of enamel, decolouration of the teeth

Question 11

stage 3 of caries

Answer 11

dentin decay
break down of dentin, call this habitation of the tooth, erroding a hole into secind layer of tissue

Question 12

stage 4 of caries

Answer 12

pulp involvement
damage of blood vessels and nerves, pain progresses here

Question 13

stage 5 of caries

Answer 13

abscess
develops at base of root of tooth, fluid filled space, increases risk if infection spreading beyond the oral cavity

Question 14

list 5 stages of oral caries

Answer 14

enamal leisons
enamel decay
dentin decay
pulp involvment
abscess

Question 15

prevention or oral caries

Answer 15

prevention is key - good oral hygiene, avoid excess dietary sugar

Question 16

peridontal/gum disease is linked to

Answer 16

increased risk with other conditions eg cardiac gingivitis

Question 17

peridontal/gun disease is

Answer 17

gum inflammation -> swelling redness bleeding
- reversible condion wirh good oral hygiene but if not fixed can progress to periodontitis

Question 18

periodontitis

Answer 18

• destructive gum tissue loss
  -ligament starts to break down
• loose teeth
• increased infection susceptability
• possible systemic effects eg fever lymph node swelling
• irreversible but there are management options