Endodontic materials Flashcards
What is the composition of cavit?
Zinc oxide Calcium sulfate Zinc sulfate Talc Barium sulfate
What does cavit look like on radiograph?
Radiopaque
What are the advantages and disadvantages of cavit?
Pros:
Sets with presence of moisture
Expansion with water sorption to produce sealing effect
Cons:
Not strong (which is why its placed on the inside)
Not good for shallow restorations (<3mm thick)
What is the composition of IRM?
Zinc oxide
Eugenol
What are the advantages and disadvantages of IRM?
Adv:
Good sealing ability
Antimicrobial
Sedative effect on pulp
Disadv:
No adherence to tooth
High moisture sensitivity.
What is IRM used for?
Base/temp materials
Impression materials
Bite reg
Endo sealer
What are the properties of IRM?
Moderate strength
Requires some moisture for setting
Neutral properties
What are the properties of calasept and pulpdent?
Low thermal conductivity
pH 11 - 12
Bactericidal
Highly soluble
Sets in 1.5 - 2.5 minutes
What is calasept/pulpdent used for?
Cavity liner
Pulp capping
Used in deep areas of cavity prep
Apexification
What are the advantages and disadvantages of using calasept/pulpdent?
Adv:
Induces formation of tertiary dentine
Antibacterial (detoxifies bacterial endotoxin LPS)
Easily manipulated
Disadv:
Moisture sensitive
Low strength
Opaque
Cant be applied in a thick layer
Toxic in high concentrations (may cause inc risk ankylosis and replacement resorption)
What are the properties of ledermix paste?
Anti-inflammatory
Anti-bacterial
Releases for up to 6 weeks
What are the components of ledermix paste?
CS: Triamcinolone
AB: Demeclocycline
What are the advantages and disadvantages of using ledermix paste?
Adv:
Antibacterial
Inhibition of clastic cells
Inhibition of PMN neutrophil collagenase
Disadv:
Can discolour the tooth if used incorrectly
What are the properties of ledermix cement?
Hard setting
Anti inflam and antibacterial
What are the components of ledermix cement?
CS: Triamcinolone
AB: Demeclocycline
ZnO
Eugenol
Ca(OH)2
