18 Questions
What is the primary function of a root canal sealer in terms of filling material and dentin?
To fill irregularities and minor discrepancies between the filling material and dentin
What is a requirement of an ideal root canal sealer?
It should be insoluble in oral and tissue fluids
What is the purpose of a root canal sealer in relation to accessory canals and multiple foramina?
To fill patent accessory canals and multiple foramina
What is a characteristic of zinc-oxide eugenol based sealers?
They have a reasonable seal and antimicrobial properties
What is a requirement of an ideal root canal sealer in terms of its physical properties?
It should be tacky when mixed to provide good adhesion to the canal wall
What is a function of a root canal sealer in relation to periradicular tissue?
To be non-irritating to periradicular tissue
What is the primary advantage of using a self-adhesive sealer?
Reducing application time and errors
Which type of sealer is known for its 0.2% expansion on setting, rather than polymerization shrinkage?
Silicone-based sealer
What is the primary disadvantage of using polycarboxylate cements as root canal sealers?
Viscosity
What is the ideal outcome of an endodontic treatment?
Hard tissue closure
What is the primary function of a root canal sealer?
To permanently separate the root canal content from the periapical tissues
What is a key requirement for an ideal root canal sealer?
Biocompatibility
What is one of the advantages of calcium hydroxide sealers?
Osteogenic effect
What type of root canal sealer is Diaket?
Polyvinyl resin sealer
What is a disadvantage of medicated sealers?
They dissolve, breaking the seal
What is a unique property of glass-ionomer sealers?
All of the above
What is the catalyst in AH26 epoxy resin sealer?
Hexamethylene-tetramine
What is a characteristic of resin sealers?
They contract slightly while setting
Test your knowledge of endodontic cements and sealers, including their functions, properties, and requirements. Learn about their role in filling irregularities, antibacterial properties, and more.
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