Tx Planning

Question 1

what is the significance between the the depth of carious lesion and outcome of hall technique?

Answer 1

not significant

Question 2

what is the significance between a clear band of dentine and outcome of hall technique?

Answer 2

highly significant

Question 3

how long should be waited between placing crowns on top of one another?

Answer 3

4-6 weeks

Question 4

why can the hall technique only be done on primary teeth?

Answer 4

adult mandible less elastic so would be bigger interference w/ occlusion

Question 5

what colour is SDF? what component makes it stain black?

Answer 5

clear/colourless
stains due to silver oxide layer

Question 6

what do the silver and fluorine ions do in SDF?

Answer 6

silver = kills bacteria and prevents further decay, inhibits collagen degradation and HA doping
fluorine = mineral formation, inhibits collagen degradation

Question 7

list indications for SDF

Answer 7

high caries risk
precooperative
uncooperate
lots of carious lesions that cannot be dealt with in one sitting - SDF buys time
difficult to tx carious lesions
pts w/o access to dental care

Question 8

list contraindications for SDF

Answer 8

silver allergy
pain - IR pulpitis or periapical perio
infection
pt refusing tx
unable to isolate tooth

Question 9

how do you apply SDF?

Answer 9

isolate tooth w/ cotton wool and dry w/ air
dispense SDF into dish
apply SDF to carious lesion w/ microbrush - agitate for 1 min
remove excess SDF after completion

Question 10

what is it important to inform/gain consent from parent and child prior to SF placement?

Answer 10

stains lesion black

Question 11

SDF take homes - prior to placement, how many x a year, %, role

Answer 11

dry tooth
2x a year
38%
can arrest carious lesions

Question 12

when to do hall technique or selective caries removal?

Answer 12

hall = proximal or multisurface
selective = single surface occlusal