Caries Risk Assesment

Question 1

what kind of sugars have caused the caries epidemic?

Answer 1

non milk extrinsic sugars

Question 2

what are the pre eruptive effects of fluoride?

Answer 2

wider fissures
more rounded cusps
thinner enamel and dentine

Question 3

what are the post eruptive effects of fluoride?

Answer 3

when pH over 5.5 fluoroapatite crystals form, fluoroapatite crystals are less sol than hydroxyapatite

Question 4

effects of fluoride?

Answer 4

increases remin of enamel
increases resistance of enamel to demin
decreases acid production in plaque

Question 5

what forms can fluoride be taken in systemically?

Answer 5

water
salt
milk
tablets
drops

Question 6

what is the F conc of fluoridated water?

Answer 6

1ppm

Question 7

what is combined F therapy?

Answer 7

1 systemic means and any number of topical

Question 8

what is dental fluorosis?

Answer 8

enamel hypoplasia
white chalky spots
brown staining and pitting of teeth

Question 9

increased level of fluoride do to enamel?

Answer 9

affects enamel matrix formation and calcification

impairment of ameloblastic function

Question 10

treatment of fluorosis?

Answer 10

depends on level of severity

no tx/micro abrasion/bleaching/resin restoration.veneers

Question 11

how does chx mouthwash work?

Answer 11

absorbs onto teeth and mucosal surfaces and releases bacteriostatic concentrations over a period of time

Question 12

how much saliva secreted per day?

Answer 12

0.5-0.6 litres