caries symposium

Question 1

7 elements of caries risk

Answer 1

clinical evidence - caries experience , dmft/DMFT >_ 5 = high risk , prosthetics and orthodontics increases risk
dietary habits - frequency of sugar more of risk than volume
social history - SIMD category, education , unemployment
fluoride use - toothpaste access, water supply
oral hygiene - technique, capacity , irregular, unassisted
saliva - amount , flow
medical history- xerostomia side affect , sugary medications

Question 2

definition of caries

Answer 2

localised destruction of susceptible dental hard tissues by acidic by products from bacterial fermentation of dietary carbohydrates

Question 3

white spot lesion

Answer 3

found on enamel , appear lighter in colour with a chalky appearance
demineralisation of enamel but no loss of structure
surface of WSL has lower demineralisation than the body of lesion

Question 4

what shape are smooth surface and interproximal carious lesions

Answer 4

triangular with base towards smooth surface and point towards dentine / pulp
both enamel and dentine follow this pattern

Question 5

what shape are carious lesion found in pits and fissures

Answer 5

triangular with point towards enamel surface and base towards EDJ
dentine shape flips and point is towards pulp

Question 6

nursing caries

Answer 6

seen in early childhood
typically affects upper anteriors and molars
caused by inappropriate use of cups/ feeder bottles overnight

Question 7

when should free flow spout use be encouraged from

Answer 7

6 months

Question 8

concentrations of fluoride in toothpastes for ... 
under 6 
6 + 
high risk under 10 
high risk 10-16 
high risk 16+

Answer 8

1000ppm
1400-1500ppm
1500ppm
2800ppm (prescription)
5000ppm(prescription)