intra coronal restoration

Question 1

what is a stainless steel crown

Answer 1

is a metal ca[ that covers the whole primary tooth to protect it

Question 2

what are the contraindications for a SSC

Answer 2

ALLERGIES TO CHROME OR NICKEL

Question 3

what are the advantages of ssc

Answer 3

easy to place
durable
long lasting

Question 4

what are the indications for SSC

Answer 4

primary molars with extensive caries over two surfaces 
following pulp therapy
developmental defects 
abutment for as space maintainer 
rampent caries 
fractured tooth 
bruxism

Question 5

what equipment do we need for SSC

Answer 5

crowns
contouring pliers
crimping pliers
crown scissors

Question 6

how do we prepare the tooth

Answer 6

with LA
CHECK VERTICAL- CANINE HEIGHT PRE REDUCTION
rubber dam
remove caries and reduce crown height by 1-1.5mm
medial and distal reduction
place the crown lingual to buccal - the gum will blanch when seated correctly
cement with GIC cement or polycarboxylate cement
check occlusion- OVD can adapt by 2mm but make sure the pt is warned that it’ll feel high

Question 7

how long will the crown last

Answer 7

usually when the tooth exfoliates itself

Question 8

what are the issues with SCC

Answer 8

allergy to nickel/chrome
can be an issue with bruxism
pulp inflammation

Question 9

what is the hall technique

Answer 9

providing spacers 3-5 days pre appt
no LA
no decay removal but seal the caries in

Question 10

when do we use the hall technique

Answer 10

for asymptomatic its

Question 11

what is the longevity of the SSC

Answer 11

in a study in 1990 by Roberts and sheriff studied 460 SCC for 4 years and only 10 failures therefore 3% failure rate

Question 12

indications for strip crowns

Answer 12

→ Extensive or multi surface caries in primary incisors
→ Congenitally malformed primary incisors
→ Congenitally discoloured primary incisors
→ Primary incisors discoloured after trauma
→ Fractured primary incisors
Amelogenesis imperfecta

Question 13

if the caries is not as extensive what can we use instead of strip crowns

Answer 13

cellulose strip

Question 14

how do we do strip crowns for the primary A/Bs

Answer 14

1. Choose the size
   
   2. Hold by the collar
   3. Needs to match the incisal edge
   4. Choose shade of resin
   5. Cut the collar
   6. Make a tiny hole to let the pressure vent out
   7. All caries removed with a round slow speed round bur
   8. Mesial and distal slices are prepared
   9. Trim and trial fit the teeth
   10. If the caries is deep add a liner
   11. Etch for one minute- wash and air dry
   12. Apply bonding agent and cure
   13. Fill the crown form with composite 3/4 height
   14. Seat filled crowns on prepared teeth
   15. Remove XS
   16. Cure composite labially and palatially
   17. Strip off crown form with a probe
       Smoothen and polish crowns