SDF

Question 1

3 Components of SDF

Answer 1

Silver

Fluoride

Ammonium ions

Question 2

When is Riva star used?

Answer 2

Cavity cleansing

Tooth sensitivity

Question 3

Indications for SDF use

Answer 3

Non-restorable dentine lesions

Asymptomatic cavitated lesions in primary teeth

MIH- reduce sensitivity

Pre-cooperative children

To delay treatment with sedation or GA

Question 4

Contraindications for SDF?

Answer 4

Not able or willing to brush

Ulceration

Mucositis

Stomatitis

Allergy

Question 5

What are element of prevention should be provided in combination with SDF?

Answer 5

Diet advice

OHI

Fluoride

Question 6

What occurs as a result of placement of SDF on carious lesion?

Answer 6

Blockage of dentine tubules- desensitisation and arrest of lesion

Bacterial death

remineralisation

Inhibition of collagen degradation

Question 7

Why is SDF useful in caries detection?

Answer 7

Only stains carious tooth tissue

-> Can show what parts needed removed during preparation of cavity

Question 8

How long should it take to apply SDF?

Answer 8

3 min- minimum of 1 min

Question 9

What occurs when following up after placement of SDF? (after 2-4 weeks)

Answer 9

If lesion still active- reapply

If lesion inactive- restore

If unrestorable- biannual SDF reapplication