Ceramic Toughening and Strengthening Quiz

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25 Questions

The core is made from a ______ alumina powder.

magnesium

The core is made from a magnesium ______ powder.

alumina

The core is made from a magnesium alumina ______.

powder

The core is made from a magnesium alumina powder ______.

(magnesium aluminate spinell)

______ is the material the core is made from.

Magnesium alumina

Ceramic is ______ because the crack can not penetrate these crystals as easily as it can penetrate the glass.

toughened

Ceramic is toughened & ______ because the crack can not penetrate these crystals as easily as it can penetrate the glass.

strengthened

The crack can not ______ these crystals as easily as it can penetrate the glass.

penetrate

The crack can penetrate the ______ more easily than it can penetrate the crystals in ceramic.

glass

Ceramic contains ______ that make it tougher and stronger than glass.

crystals

The crystalline material usually used is termed ______ Zirconia (PSZ).

partially stabilized

A new technique for ______ glasses involves the corporation of crystalline material.

strengthening

The energy required for the ______ of PSZ is taken from the energy that is allowing the crack to propagate.

transformation

The crystalline material is capable of undergoing a change in ______ structure when placed under stress.

crystal

The technique involves the ______ of crystalline material that is capable of undergoing a change in crystal structure.

corporation

The dentist takes an optical impression of the preparation using an intraoral ______.

camera

CAD-CAM (Cerec) is a technique that uses ______ to take an optical impression.

intraoral

______ is a type of CAD-CAM system used in dentistry.

Cerec

The optical impression taken by the dentist is used to create a ______ restoration.

digital

CAD-CAM technology allows the dentist to create custom ______ restorations.

dental

The ______ is mounted on the scanning side

replica

A ______ block is on the milling side

ceramic

The ______ is mounted on the milling side

block

The replica is mounted on the ______ side

scanning

A ceramic ______ is on the milling side

block

Test your knowledge on why ceramic materials are toughened and strengthened compared to glass. Learn about how crystals in ceramics affect crack penetration.

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