The Sprue In Wax Pattern Should Be Placed______
The Sprue In Wax Pattern Should Be Placed______
At Right Angle | |
It Depend Upon Type Of Wax Pattern | |
At 45°C Angle | |
At Obtuse Angle |
پاک اسٹڈی لائبریری اپنی خدمات کو بہتر کرنے کے لئے نئے سوفٹ وئیر انسٹال کررہی ہے ۔ اس لئے آئندہ کچھ دن آپ کو کچھ صفحات تک رسائی میں مشکلات کا سامنا ہوسکتا ہے ۔ جس کے لئے ہم معذرت خواہ ہیں۔
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The Sprue In Wax Pattern Should Be Placed______
At Right Angle | |
It Depend Upon Type Of Wax Pattern | |
At 45°C Angle | |
At Obtuse Angle |
The Solvent Flux Used For Base Metal Soldering Is______
Rouge | |
Fluoride | |
Boric Acid | |
Borax |
The Solid Solution Of Silver And Mercury Is Called______
Y2 | |
Y1 | |
Y | |
B1 |
The Simplest Alloy Is A______
Ternary Alloy | |
Peritectic Allowy | |
Eutectic Alloy | |
Solid Solution |
The Setting Time Of Znpo4 Cement Can Be Retarded By______
Slower Addition Of Powder To Liquid | |
Mixing Powder To Liquid, Checked By Water | |
Faster Addition Of Powder To Liquid | |
Mixing More Powder To The Liquid |
The Setting Time Of Irreversible Hydrocolloids Can Be Decreased By______
None Of The Above | |
Lowering The Temperature Of Water Used For Mixing | |
Using Excess Water For Maxing | |
Raising The Temperature Of Water Used For Maxing |
The Setting Of Zinc Phosphate May Be Retarded By ?
Decrease The Addition Of Powder To Liquid | |
Increase The Addition Of Powder To Liquid | |
Increased In The Ratio Of Powder To Liquid | |
Diluting The Liquid With Water |
The Setting Of Zinc Phosphate Is Accelerated By______
Adding A Drop Of Oleic Acid | |
Adding A Drop Of Water | |
Increasing Mixing Time | |
Cooling The Slab |
The Setting Expansion Of Gypsum Products Can Be Reduced By______
Less Water Powder Ratio | |
Allowing Setting Under Water | |
Increased Spatulation | |
Adding Potassium Sulfate |
The Role Of Magnesium Chloride In Zinc Oxide Eugenol Impression Paste______
Modifier | |
Accelerator | |
Plasticier | |
Retarder |
The Restoration Which Shows Percolation And Shrinkage Along The Margins Is______
Unfilled Resins | |
Amalgam | |
Polycarboxylate | |
Composites |
The Relative Hardness Of Elastomere Is Determined Using______
Barcol Indenter | |
Knoop Pyramid | |
Rockwell Tester | |
Shore Durometer |
The Rate Of Tarnish And Corrosion Of Class Ii Cast Material Having Vhn 200 Is______
<1% | |
5 To 10% | |
2 To 3% | |
0% |
The Rapid Decrease In Tensile Strength And Increase In Ductility Of A Wrought Metal Is Seen In Which Stage Of Annealing ?
Recrystallisation Stage | |
Grain Growth Stage | |
All Of The Above | |
Recovery Stage |
The Ranking Of Tear Strength From The Lowest To Highest Of All Impression Materials Generally Is As Follows______
Silicones, Hydrocolloids, Polyether, Polysulfide | |
Hydrocolloids, Silicones, Polyether, Polysulfide | |
Polysulfide, Hydrocolloids, Silicones, Polyether | |
Hydrocolloids, Polyether, Silicones, Polysulfide |
The Purity Of Gold Is Expressed In______
Percentage | |
Fineness | |
Carats | |
Gram |
The Pure Form Of Gold Used In Dentistry Is Known As______
Cohesive Gold | |
Class Iv Casting Gold | |
Non Cohesive Gold | |
Class I Casting Gold |
The Proportional Limit Is Defined As______
The Maximum Elongation Under Tension That Can Be Measured Before Failure | |
The Maximum Stress That Can Be Induced Without Permanent Deformation | |
The Minimum Force Required To Cause A Structure To Break | |
The Maximum Stress In A Structure |
The Product, Which Is Obtained By Calcining Gypsum Under Steam Pressure At 120-130°C Or By Dehydrating Gypsum In The Presence Of Sodium Succinate Is___
Calcium Sulphate Dihydrate | |
Alpha – Hemihydrates | |
Orthorhombic Anhydrate | |
Beta – Hemihydrates |
The Process Wherein Two Or More Chemically Different Monomers, Each With Some Desirable Property, Can Be Combined To Yield Specific Physical Properties
Addition Polymerization | |
Condensation Polymerization | |
Step-Growth Polymerization | |
Copolymerization |
The Process Of Changing The Rubber Base Product Or Liquid Polymer, To A Rubber Like Material Is Generally Known As______
Chain Lengthening | |
Vulconization | |
Boiling | |
Condensation |
The Principle Application Of Zinc Phosphate Cement Is______
It Has Less Occlusal Wear | |
As A Temporary Filling Material | |
As Temporary Cementation | |
In Final Cementation |
The Principal Constituent Of Set Silicate Cement Matrix Is______
Hydrated Aluminium Phosphate | |
Hydrated Aluminium Phosphate Crystal, Caf2 Alluminosiliate Gel | |
Hydrate Aluminosilicate Gel | |
Hydrated Aluminium Phosphate With Calcium Fluoride |
The Preferred Material For Repair Of Fractured Denture Base Is______
Vinyl Resin | |
Heat Curve Resin | |
Light Cure Resin | |
Chemically Cure Resin |
The Porosity Formed Due To Simultaneous Nucleation Of Solid Grains And Gas Bubbles At The First Moment That Metal Freezes At The Mold Walls Is Called___
Pinhole Porosity | |
Gas Inclusion Porosity | |
Micro Porosity | |
Subsurface Porosity |