DA FINAL PART 4

Cavity liners are

If cavity liners are used, varnish is placed under these materials

Eugenol retards the setting process

The ADA and the FDA regulate dental material

The dental assistant can place and condense (pack) mixed amalgam in a tooth cavity prepared by a licensed dentist

Cavity varnish seals dentinal tubules to prevent acids, saliva, debris, from reaching the pulp

Liner protects pulp from bacteria and irritants

Dental cements set by which of the following ways

Sedative or palliative material

Etchants

Varnish seals walls/ floors of cavity prep

Zinc oxide eugenol (ZOE) works best as a permanent cement

ZOE is not used under composite or acrylic restorations

Glass ionomer cement

Luting means bonding or cementing together

Calcium hydroxide has antibacterial properties

ZOE

Etchants are used on both enamel and dentin tooth surfaces

Dental cements usually come in

Cavity varnish should not be used under metal restorations

Cements are mixed in a precise ratio to attain a specific consistency

Cavity varnish is used for

Glass ionomer cement is used for

Dental mat. come in 3 categories liners/bases/bonding agents & amalgam/composite/glass ionomer/ & cements/luting agents

Bonding agents are also known as adhesives or bonding resins

Glass ionomer can be used for permanent cementation of crowns and bridges

Knowledge of dental material properties is necessary for dental assistant to properly prepare & manipulate the materials

Calcium hydroxide

Light curing uses a special light to set or "cure" material

Smear layer