Glossy Smooth Margins Of A Casting Are Due To______
Glossy Smooth Margins Of A Casting Are Due To______
Shrinkage Of Alloy On Cooling | |
Investment Breakdown | |
Incomplete Wax Elimination | |
Incomplete Gas Elimination |
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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Glossy Smooth Margins Of A Casting Are Due To______
Shrinkage Of Alloy On Cooling | |
Investment Breakdown | |
Incomplete Wax Elimination | |
Incomplete Gas Elimination |
Glass Ionomer Cements Are Composed Of______
Zinc Oxide Powder And Phosphoric Acid | |
Zinc Oxide Powder And Polyacrylate Liquid | |
Aluminosillicate Powder And Polyacrylate | |
Alumino Silicate Powder And Phosphoric Acid |
Gillmore Needle Is Used For______
Evaluating The Setting Time Of Plaster Of Pris | |
Testing The Metal Hardness | |
Testing The Purity Of Noble Metals | |
Testing The Strength Of Plaster Of Paris |
Gelation Temparature Of Agar Is Between______
27°C To 33°C | |
37°C To 50°C | |
55°C To 60°C | |
20°C To 25°C |
Gases Dissolved In Molten Metals Are Liberated When Cooled Giving Rise To______
Gas Inclusion Porosity | |
Localized Shrinkage Porosity | |
Microporosity | |
Suckback Porosity |
Gap Between True End Of Casting Ring And Wax Pattern Should Be______
½ Inch | |
3/8 Inch | |
¼ Inch | |
One Inch |
Gallium And Indium Added To Amalgam Replace______
Zinc | |
Silver | |
Tin | |
Mercury |
Function Of Wetting Agents Used In Casting Procedure Is______
For Better Wax Elimination | |
To Reduce Contact Angle Of Liquid With Max Surface | |
To Felicitate Wetting Of Ring Liner | |
To Felicitate Mixing Investment |
Function Of Carnauba Wax______
Decrease Flow At Room Temperature | |
Increase Toughness | |
To Provide A Smooth And Glossy Surface | |
Decrease Toughness |
Frozen Slab Technique Of Mixing Zinc Phosphate Is Used For______
Temporary Dressing | |
Cementing Orthodontic Bands | |
Base | |
Cementing Crowns |
Frozen Slab Technique Is Applicable To______
Zinc Phosphate Cement | |
Glass Ionomer Cement | |
Resin Cement | |
Zinc Oxide Eugenol Cement |
For Porcelain Fused To Metal Crown, The Porcelain Should Have ______
Linear Coefficient Of Thermal Expansion More Than That Of Metal | |
High Fusion Expansion | |
Linear Coefficient Of Thermal Expansion Less Than That Of Metal | |
High Fusion Temperature |
For Photo-Curing The Composite Resin The Light Source______
Will Cure Composite Upto A Depth Of 5 Millimeter Thickness | |
Should Be Held At A Millimeter Distance From The Restoration | |
Need No Protection While In Use | |
Is Fiber Optic |
For Esthetic Areas Where High Luster Is Required The Restoration Used Usually______
Hybrid Resin Composites | |
Microfilled Resin Composites | |
Macrofilled Resin Composites | |
Glass Ionomer Restoratives |
For Dental Amalgam, The Elastic Modulus And Tensile Strength Is______
40 Gpa And 60 – 100 Mpa | |
350 Gpa And 10 – 120 Mpa | |
21 Gpa And 27 – 55 Mpa | |
360 Gpa And 125 – 130 Mpa |
For Adhesion To Be Present Between Solid And Liquid______
None Of The Above | |
Should Have High Contact Angle | |
Mechanical Interlocking Should Be Present | |
Liquid Should Wet Solid Surface |
Flux Used In Dental Ceramic Is______
Boric Oxide | |
Silica | |
Kaolin | |
Alumina |
Flux Is Used During Casting To______
Remove The Oxides Formed On The Gold Alloy | |
Speed The Burnout Process | |
Replace Casting Wax | |
Lower The Melting Point |
Fluoride Rich Materials Include ?
Silicate Cement | |
All Of The Above | |
Glass Ionomer Cement | |
Polycarboxylate Cement |
Flow Of A Material Refers To______
The Consistency Of Material When Mixing | |
Continued Change Of The Material Under A Given Load | |
Dimensional Change Of The Material During Settings | |
The Homogencity Of Gypsum Products |
Fins And Spines On The Casting Is Seen Due To______
Prolonged Heating: | |
Rapid Heating Me | |
Water Film Contamination | |
Too High Pressure During Casting |
Finishing And Polishing Of Amalgam Make The Restoration______
Decrease The Tarnish And Corrosion Resistance | |
Increased Compressive Strength | |
Increase In Tarnish And Corrosion Resistance | |
Increase The Marginal Strength |
Finer Particle Size Of Silica______
No Setting Expansion | |
Normal Setting Expansion | |
Slower The Hygroscopic Expansion | |
Greater The Hygroscopic Expansion |
Final Product In Alginate Is______
Potassium Alginate | |
Sodium Alginate | |
Calcium Alginate | |
Trisodium Phosphate |
Eugenol May Be Replaced In The Zinc Oxide Eugenol Cement By______
Acetic Acid | |
Phosphoric Acid | |
Ortho-Ethoxy Acid | |
Alginic Acid |