Which Of The Following Are Characteristic Feature Of High Copper Amalgam Alloy ?
Which Of The Following Are Characteristic Feature Of High Copper Amalgam Alloy ?
Less Marginal # | |
High Creep | |
Low Compressive Strength | |
High Marginal Breakdown |
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۔
Pak Study Library is installing new software to improve its services. herefore, in the next few days, you may face difficulties in accessing some pages. sorry for the inconvenience.
Which Of The Following Are Characteristic Feature Of High Copper Amalgam Alloy ?
Less Marginal # | |
High Creep | |
Low Compressive Strength | |
High Marginal Breakdown |
Which Of The Following Acts As Accelerator In Zinc Oxide Eugenol______
Eugenol + Zno | |
Zn(Oh)2 + Zno | |
Zncl2 + Eugenol | |
Zncl2 + Znso2 |
Which Of The Following Absorbs Maximum Amount Of Water ?
Macrofilled Resin | |
Light Cure Activated | |
Microfilled Resin | |
Hybrid |
Which Material Undergoes Hysteresis ?
Irreversible Hydrocolloid | |
Reversible Hydrocolloid | |
Impression Plaster | |
Metallic Oxide Paste |
Which Material Is The Most Difficult To Remove From The Patients Mouth ?
Metallic Oxide Paste | |
Silicone Impression Material | |
Impression Plaster | |
Reversible Hydrocolloid |
Which Is True Regarding Lathe Cut Silver Alloy______
Has Low Creep | |
Has Tensile Strength Both At 15 Min & 7 Days Comparable To High Copper Unicompositional Alloy | |
Achieves Lowest Compressive Strength At 1 Hr. | |
Requires Least Amount Of Mercury |
Which Is The Use Of Boxing An Impression______
Ease Of Pouring An Impression | |
Ease Of Construction Of Denture | |
Preserving The Sulci | |
All Of The Above |
Which Is The Cement With Adhesive Properties ?
Zinc Polycarboxylate | |
Zinc Oxide Eugenol | |
Silicate | |
Both B & D |
Which Is Not True About High Copper Amalgam Alloys______
Low Tensile And Compressive Strength | |
Low Hg: Alloy Ratio | |
High Tensile Strength | |
Low Creep |
Which Is Not Present In Porcelain______
Calcium Carbonate | |
Feldspar | |
Silica | |
Amorphous Material |
Which Is Gypsum Product______
All Of The Above | |
Stone | |
Plaster | |
Investment |
Which Is Best Material For Rpd Impression______
Irreversible Hydrocolloid | |
Reversible Hydroollioid | |
None Of The Above | |
Impression Plaster |
Which Glass Ionomer Cement Develops Early Resistance To Water Intake On Setting ?
Reinforced Auto Care Glass Ionomer Cement | |
Resin Modified Glass Ionomer Cement | |
Compomer | |
Ceramic Reinforced Glass Ionomer Cement |
Which Component Of Zinc Oxide-Eugenol Cement Gives Its Strength ?
Zinc Oxide | |
Oil Of Cloves | |
Zinc Acetate | |
Rosin |
Which Cement Is Irritating To The Pulp ?
Carboxylate Cement | |
Zinc Oxide-Eugenol Cement | |
Ethoxybenzoic Acid | |
Zinc Phosphate |
Which Cement Base Has The Highest Modulus Of Elasticity ?
Zinc Phosphate | |
Zinc Polycarboxylate | |
Polymer Reinforced Zoe Cement | |
Glass Inomer Cement |
When Two Metals Are Completely Miscible In Liquid State And They Remain Completely Mixed On Solidifiation, The Alloy Formed Is Called______
Solid Solution | |
Peritectic Mixture | |
Inter Metallic Compounds | |
Eutectic Mixture |
When Solid Gets Wet Completely Contact Angle Is______
90° | |
>90° | |
0° | |
0 – 90° |
When Selection The Colour Of Cement To Use For Cementing A Porcelain Jacket Crown, The Powder Being Tested Is Best Mixed With______
Cement Liquid | |
Only Water | |
Alcohol | |
Glycerin-Water Solution |
When Restoring A Tooth With Resin Material, Acid Etching Can Do All Of The Following Except______
Increase The Surface Area | |
Condition The Tooth Surface For Better Wetting | |
Permit Chemical Bonding Between Resin And Enamel | |
Create Surface Irregularities In Enamel For Better Mechanical Retention Of Resin |
When Porcelain Is Basked Against Metal, It Should Possess A______
High Fusion Temperature | |
Linear Coefficient Of Thermal Expansion Less Than But Close To That Of Metal | |
High Fusion Expansion | |
Linear Coefficient Of Thermal Expansion Greater Than, But Close To That Of The Metal |
When Making A Polysulphide Impression For A Caste Crown, Custom Trays Are Usually Preferred Over Stock Trays For All Of The Following Reasons Except____
Custom Trays Facilitate Uniform Contraction Of Impression Material | |
Impressions Made N The Custom Trays Are Easier To Remove From The Mouth | |
Custom Trays Require Less Impression Material | |
Stock Trays May Be Short In The Flange Area |
When Gold Fused With Porcelain Is Fired At Very High Temperature Greenish Discoloration Of Cervical Margin Is Due To______
Disintegration Of Opaque Layer | |
Presence Of Copper | |
High Firing Temperature | |
Formation Of Excess Oxides |
What Is The Working Time Of Zinc Polyacrylate Cement ?
2 Minutes | |
1 Minutes | |
3 Minutes | |
4 Minutes |
What Is The Working Time Of Amalgam?
One To Two Minutes | |
Five To Six Minutes | |
Seven To Eight Minutes | |
Three To Four Minutes |