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MCQ Questions

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Total cards: 16•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (16)

#1
Front (Question)

At what temp does feldspathic ceramic form leucite?

Back (Answer)

• 1150-1500degrees C

#2
Front (Question)

What is Leucite?

Back (Answer)

• Potassium aluminium silicate

#3
Front (Question)

What is PROCERA?

Back (Answer)

• > 99% alumina core- Produced at about 1700 celcius

#4
Front (Question)

What temp is Zirconia sintered at?

Back (Answer)

• 1600C

#5
Front (Question)

What is the max amount of strain porcelain will undergo before fracture?

Back (Answer)

• 0.5%

#6
Front (Question)

What is the expansion of gold ?

Back (Answer)

• 1.4%

#7
Front (Question)

What is the expansion of Ni/Cr?

Back (Answer)

2.0%

#8
Front (Question)

What is the expansion of Co/Cr?

Back (Answer)

2.3%

#9
Front (Question)

What is the longevity of GIC, SSC and Amalgam?

Back (Answer)

SSC = 92%Amalgam = 80%GIC = 66%

#10
Front (Question)

What are the reasons and % for post core failures?

Back (Answer)

• 60% due to restorative- 32% due to perio- 8% due to endo

#11
Front (Question)

What are some temp materials used?

Back (Answer)

PMMA:JetPEMA: Snap / TRIMBis-acrylate composite : ProtempUDMA : Provipont

#12
Front (Question)

What material has best mechanical properties for restoration of occlusal surfaces?

Back (Answer)

• Gold

#13
Front (Question)

What is the best method for retaining a core ?

Back (Answer)

• Use of adhesive only

#14
Front (Question)

When preparing upper first permanent molar for metal-ceramic crown, a functional bevel is placed on which cusp?

Back (Answer)

• Mesio-palatal

#15
Front (Question)

What is the correct degree of axial-taper in ideal crown prep?

Back (Answer)

• 7degrees

#16
Front (Question)

The fit surface of a porcelain laminate veneers is prepared with what acid?

Back (Answer)

• Hydrofluoric acid