Remove. Chap4. Sandra's quiz

Stock trays is used for preliminary impression

• True

• False

Special tray is made from aluminium and stainless steel

• True

• False

From types of impression trays according to mode of fabrication

• Metallic

• Non metallic

• Stock trays

• Perforated

Special tray is made from self cure acrylic resin

• True

• False

Classify impression trays according to impression material

• Perforated and non perforated

• Metallic and non metallic

• Stock and special

• All of the above

Classify impression trays

• Perforated and non perforated

• Metallic and non metallic

• Stock and special

• All of the above

• None of the above

Impression tray parts are

• Flanges

• Floor

• Handle

• All of the above

Special tray is used for taking secondry impression,.. which (secondry impression) is used for construction of study cast

• Both statements are correct

• Both statements are wrong

• The first is correct and the second is wrong

• The first is wrong and the second is correct

Classify impression trays according to metallic impression trays ( stainless steel_ aluminium _ plastic _a&b)

• Stainless steel

• Aluminium

• Plastic

• A&B

• B&C

Stainless trays is mellable and can be easily modified

• True

• False