Direct Filling Gold → Dentist

Q-01.Powdered gold is;

Made by a combination of chemical precipitation and atomization

Made by electrolytic precipitation

Made by beating pure gold at high temperatures

Made by milling pure gold ingots

Correct! Wrong!

Q-02.Powdered gold wrapped in gold foil is known as;

Goldent

Electraloy

Mat foil

Atomised gold

Correct! Wrong!

Q-03.Direct gold fillings are contraindicated in;

Class III cavities

Handicapped elderly, very young patient

Class V cavities

Filling of excess openings in root canal treated teeth

Correct! Wrong!

Q-04.Commonly used gold foil is;

No 2 foil

No 3 foil

No 4 foil

None of the above

Correct! Wrong!

Q-05.Extraplay is a term used for;

No 4 foil

Prerolled cylinders of No 2 or No 4 foil wrapped around a regular gold foil

Platinised gold foil

None of the above

Correct! Wrong!

Q-06.Mat gold is made by;

Beating pure gold into sheets

Chemical precipitation

Electrolytic precipitation

Atomisation

Correct! Wrong!

Q-07.Average particle size of powdered gold is;

10 mm

15 um

30 mm

0.1 mm

Correct! Wrong!

Q-08.Platinised gold foil is manufactured by;

Electroplating gold with platinum

Alloy of platinum and gold

Laminating platinum foil between two sheets of gold foil

Electro precipitation of platinum on gold foil

Correct! Wrong!

Q-09.Electroally is mat gold alloy with;

Calcium

Platinum

Copper

Silver

Correct! Wrong!

Q-10.Another term which was previously used for degassing was;

Tempering

Annealing

Purifying

Disinfecting

Correct! Wrong!

Q-11.Degassing renders the gold;

Polished

Adhesive

Cohesive

Sterilized

Correct! Wrong!

Q-12.Degassing of goldent is done by;

Electric annealer

Heating over a wax flame

Heating over a ethanol flame

Keeping for 10 minutes in a dry heat oven

Correct! Wrong!

Q-13.Condenser nibs have;

Pyramidal serrations

Rectangular serrations

Smooth with no serrations

Carbon tips

Correct! Wrong!

Q-14.The different shapes of condensors are;

Round, foot, square

Round, rhomboidal, parallelogram

Round, foot, parallelogram

Condensors come only in a single shape, i.e round

Correct! Wrong!

Q-15.If the nib diameter is reduced by half the compaction force is;

Also halved

Doubled

Is 4 times more

Force remains the same

Correct! Wrong!

Q-16.Compaction of goldent is done by;

Hand mallet

Pneumatic mallet

Foot condensor

Electromallet

Correct! Wrong!

Q-17.Direct gold restorations are contraindicated in;

Teeth with large pulp chambers

Class II cavities

Root canal treated teeth

Class I cavities

Correct! Wrong!

Q-18.The cavosurface margin for direct gold fillings are prepared with;

90° butt joint

45° bevel

30-40° bevel

None of the above

Correct! Wrong!

Q-19.The width of the bevel should be;

0.5 mm

0.2 mm

0.1 mm

2.5 mm

Correct! Wrong!

Q-20.The direct gold used to form bulk of filling is;

Gold foil

Mat gold

Powdered gold

Platinised foil

Correct! Wrong!

Q-21.The malleting force is directed;

Perpendicular to the walls

Parallel to long axis of crown

45° to the wall

None of the above

Correct! Wrong!

Q-22.The class I cavity preparation for direct gold filling is;

Saucer shape

U shape

Trapezoidal shape

None of the above

Correct! Wrong!

Q-23.In the class V cavity the axial wall meets the gingival wall;

In acute angle

In obtuse angle

In right angle

In rounded shape

Correct! Wrong!

Q-24.The amount of force needed to compact the direct filling gold is influenced most by;

Angle of compaction

Surface area of condensor

Temperature at which gold was annealed

Temperature at which gold was degassed

Correct! Wrong!

Q-25.Cohesion of direct filling gold at room temperature is an example of;

Wedging

Annealing

Atomic attraction

Welding

Correct! Wrong!

Q-26.Direct filling gold is heated prior to its condensation for the purpose of;

Recrystallisation

Volatising surface contaminants

Sterilisation

Correct! Wrong!

Q-27.Pitting of a surface of direct gold filling restoration frequently results from;

Using contaminated gold foil

Poor finishing technique

Improper stepping of condensor point

Using small condensor point

Correct! Wrong!

Direct Filling Gold

Q-01.Powdered gold is;

Q-02.Powdered gold wrapped in gold foil is known as;

Q-03.Direct gold fillings are contraindicated in;

Q-04.Commonly used gold foil is;

Q-05.Extraplay is a term used for;

Q-06.Mat gold is made by;

Q-07.Average particle size of powdered gold is;

Q-08.Platinised gold foil is manufactured by;

Q-09.Electroally is mat gold alloy with;

Q-10.Another term which was previously used for degassing was;

Q-11.Degassing renders the gold;

Q-12.Degassing of goldent is done by;

Q-13.Condenser nibs have;

Q-14.The different shapes of condensors are;

Q-15.If the nib diameter is reduced by half the compaction force is;

Q-16.Compaction of goldent is done by;

Q-17.Direct gold restorations are contraindicated in;

Q-18.The cavosurface margin for direct gold fillings are prepared with;

Q-19.The width of the bevel should be;

Q-20.The direct gold used to form bulk of filling is;

Q-21.The malleting force is directed;

Q-22.The class I cavity preparation for direct gold filling is;

Q-23.In the class V cavity the axial wall meets the gingival wall;

Q-24.The amount of force needed to compact the direct filling gold is influenced most by;

Q-25.Cohesion of direct filling gold at room temperature is an example of;

Q-26.Direct filling gold is heated prior to its condensation for the purpose of;

Q-27.Pitting of a surface of direct gold filling restoration frequently results from;

Related

Be First to Comment

Leave a ReplyCancel reply

Direct Filling Gold

Q-01.Powdered gold is;

Q-02.Powdered gold wrapped in gold foil is known as;

Q-03.Direct gold fillings are contraindicated in;

Q-04.Commonly used gold foil is;

Q-05.Extraplay is a term used for;

Q-06.Mat gold is made by;

Q-07.Average particle size of powdered gold is;

Q-08.Platinised gold foil is manufactured by;

Q-09.Electroally is mat gold alloy with;

Q-10.Another term which was previously used for degassing was;

Q-11.Degassing renders the gold;

Q-12.Degassing of goldent is done by;

Q-13.Condenser nibs have;

Q-14.The different shapes of condensors are;

Q-15.If the nib diameter is reduced by half the compaction force is;

Q-16.Compaction of goldent is done by;

Q-17.Direct gold restorations are contraindicated in;

Q-18.The cavosurface margin for direct gold fillings are prepared with;

Q-19.The width of the bevel should be;

Q-20.The direct gold used to form bulk of filling is;

Q-21.The malleting force is directed;

Q-22.The class I cavity preparation for direct gold filling is;

Q-23.In the class V cavity the axial wall meets the gingival wall;

Q-24.The amount of force needed to compact the direct filling gold is influenced most by;

Q-25.Cohesion of direct filling gold at room temperature is an example of;

Q-26.Direct filling gold is heated prior to its condensation for the purpose of;

Q-27.Pitting of a surface of direct gold filling restoration frequently results from;

Share this:

Related

Be First to Comment

Leave a ReplyCancel reply