Formative – produces the dentine that surrounds it. Nutritive – nourishes the avascular dentine. Non vital teeth are brittle. Protective – carries nerves that give dentine its sensitivity. Reparative – produces new dentine in relation to physiologica
1 of 7
What are the sources of chemical attack to the pulp
Constituents of certain restorative materials Acrylic resin in some polymeric materials Acids in certain dentine bonding agents (if cavity is close to pulp) Residual acid from acidogenic bacteria
2 of 7
what are the smear layer constituents
Bacteria from cavity Collagen Hydroxyl apatite
3 of 7
what are the characteristics of the ideal plural protector
Radiopaque Compatible with a wide range of restorative materials Obtundant
vitrebond:if to be restored with Glass polyalkenoate or amalgam. Dycal-followed by Acid Etch (30 Seconds) to enamel margins and Dentine Bonding Agent (Prime and Bond NT) if to be restored with Anterior Composite (Spectrum)
6 of 7
where are the linings placed
ONLY the dentine overlying the pulp that is covered- the base
7 of 7
Other cards in this set
Card 2
Front
What are the sources of chemical attack to the pulp
Back
Constituents of certain restorative materials Acrylic resin in some polymeric materials Acids in certain dentine bonding agents (if cavity is close to pulp) Residual acid from acidogenic bacteria
Card 3
Front
what are the smear layer constituents
Back
Card 4
Front
what are the characteristics of the ideal plural protector
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