Stainless steel crowns Flashcards

1
Q

Indications for the use of SSC

A
Caries involving two or more surfaces
after pulp therapy
Restoration of teeth with developmental defects
Restoration of fractured teeth
As an abutment for space maintainers
In children with bruxism
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2
Q

Contraindications of the use of SSC

A

Known nickel allergy
teeth close to exfoliation
caries beneath the level of the bone
infection associated with the tooth

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3
Q

Conventional use of SSC

A

Caries removal, complete pulp therapy if necessary and then proceed with crown preparation

Occlusal reduction 1 - 1.5 mm
Interproximal reduction with a smooth feather edge. Not over tapered
Remove any buccal/lingual bulbosities if required. reductions must end in a feather edge

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4
Q

Cementation of SSC

A

Aquacem - GIC based cement

Reinforced zinc oxide eugenol

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5
Q

Where should an SSC finish

A

1 mm below the gingival margin

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6
Q

Post op instruction

A

No sticky foods and to return if the SSC is lost

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7
Q

Problems with SSC

A

Space loss may occur
iatrogenic damage to adjacent teeth
Distal margin of E may prevent the 6 for erupting

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8
Q

What is the Hall technique

A

SSC is placed without any tooth preparation. There is no caries removal and no irreversibly inflammed pulp, with sufficient tooth tissue

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9
Q

Paper to quote for the use of Halls crowns

A

Innes et al 2007. A randomised control trail which showed the Hall technique was preferred to conventional restorations by the majority of children, carers and GDPs. After two years, Hall crowns showed more favourable outcomes for pulpal health and restorations longevity than conventional restorations

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10
Q

Does the Hall technique work?

A

Yes. At 60 months, sealing in caries by the Hall technique statistically and clinically significant outperformed the GDPs standard restorations. Innes et al 2011, sealing caries in primary molars; randomized control trail 5-year results

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