Dental Materials -Week 4 - Cements, liners, bases

When cohesive failure happens, where does this happen?

• Between the adhesive & restoration

• Between the adhesive & tooth

• within the adhesive layer

• Between the restoration & tooth

The smear layer is created from

• Drilling

• Blood

• Saliva

• Crevicular Fluid

Which cement is available in a single does capsule?

• Polycarboxylate Cement

• ZOE Cement

• Glass Ionomer Cement

• Zinc Phosphate Cement

Adhesive require a

• High contact angle

• Low contact angle

An obtundent material dulls pain

• True

• False

What cement type would you use to cement a crown?

• Type I

• Type II

• Type III

• Type IV

Where are bases placed in the cavity prep?

• Cementoenamel junction

• External walls

• Exposed enamel

• Internal walls

Cements are ____________ soluble than the overlying restorations.

• More

• Less

• Eaqually

• None of the above

Which cement is most soluble?

• Polycarboxylate

• Zinc Phosphate

• ZOE

• Glass Ionomer

Which dental material promotes the formation of secondary dentin?

• Composite cements

• Calcium Hydroxide

• Temporary cements

• Silicate cements