Co-Efficient Of Thermal Expansion Is Highest For______
Co-Efficient Of Thermal Expansion Is Highest For______
Acrylic Resin | |
Amalgam | |
Gold Alloy | |
Silicate Cement |
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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Co-Efficient Of Thermal Expansion Is Highest For______
Acrylic Resin | |
Amalgam | |
Gold Alloy | |
Silicate Cement |
Co-Efficient Of Thermal Exansion Of Amalgam Is______
25.0 A (Ppm K-1) | |
11.4 A (Ppm K-1) | |
14.0 A (Ppm K-1) | |
6.6 A (Ppm K-1) |
Clogging Of An Abrasive Wheel With Debris Causing Reduction Of Abrasive Action Is Called______
Buffing | |
Blinding | |
Dressing | |
Truing |
Cleaning Of Base Metal Alloy Is Done By______
Cold Hf | |
Cold H2so4 | |
Warm Hci | |
Sand Blasting With Aluminium Oxide |
Chronic Mercury Toxicity Results From______
All Of The Above | |
Ingestion While Removing Old Amalgam | |
Skin Contact | |
Mercury Vapour |
Chemical Tempering In Porcelains Is Done To Interrupt Crack Propagation By______
All Of The Above | |
Dispersion Of Crystalline Phase | |
Inducing Residual Compressive Strength | |
Transformation Toughening |
Chemical Method Of Strengthening Porcelain Involves______
None Of The Above | |
Exchange Of Aluminium And Potassium Ions | |
Exchange Of Sodium And Potassium Ions | |
Exchange Of Aluminium And Sodium Ions |
Ceramics Fired To Metals Are Processed By______
Machining | |
Heat Pressing | |
Sintering | |
Slip Casting |
Cavo Surface Angle For Amalgam Resoration Is Butt Joint As______
It Increases Compresssive And Tensile Strengths | |
Increased Compressive, Increased Tensile Strength | |
Decreased Compressive, Decrease Tensile Strength | |
Decreased Compressive, Increased Strength |
Cavity Varnishes Have______
No Bonding To Tooth | |
Excellent Bonding To Tooth | |
Average Bonding To Tooth | |
Low Bonding To Tooth |
Cause Of Expansion In Zinc Containing Amalgam Is______
Hydrogen | |
Nascent Oxygen | |
Zinc And Water | |
Water |
Casting Shrinkage Is Compensated By______
All Of The Above | |
Wax Expansion | |
Thermal Expansion | |
Hygroscopic Expansion |
Casting Flux Is Used To______
None Of The Above | |
Prevent The Oxidation Of The Metal During Melting | |
Flaring The Point Of The Sprue Attachment | |
Increase The Melting Point Of The Flux |
By Product Of Condensation Reaction Between Silicone Base And Alkyl Silicate In Presence Of Tin Octate______
Acetate | |
Propanolol | |
Glycol | |
Ethyl Alcohol |
By Increasing The Percentage Of Which Metal, The Strength And Hardness Of Amalgam Increases______
Cu | |
Hg | |
Zn | |
Ag |
Brush Heap Structure Is Found In______
Polyether | |
Condensation Silicone | |
Agar | |
Zinc Oxide Impression Material |
Brinnel Hardness Number Of A Dental Gold Alloy Is Directly Proportional To Its______
Tensile Strength | |
Modulus Of Resilience | |
Elongation | |
Modulus Of Elasticity |
Brazilian Test Is Used To Determine The Ultimates Tensile Strength Of______
Brittle Materials | |
Malleable Materials | |
Flexible Materials | |
Ductile Materials |
Boxing Wax Is Also Called As______
Inlay Wax | |
Utility Wax | |
Carding Wax | |
Sticky Wax |
Bonding Of Composite Resins To Tooth Structure Is By______
Mechanical | |
Ionic Bond | |
Vanderval Forces | |
Covalent Bond |
Boiling Point Of Methyl Methacrylate______
Is At Normal Room Temperature | |
Equal Of Bp Of Water | |
B.P Of Water | |
< B.P Of Water |
Binder Used In Gypsum Investment Is______
Cristobolite | |
Calcium Sulphate Monohydrate | |
Silica | |
Quartz |
Binder In Phosphate Bonded Investment Is______
Magnesium Oxide & Phosphoric Acid | |
Magnesium Oxide & Ortho Phosphoric Acid | |
Magnesium Oxide & Monoammonium Phosphate | |
Magnesium Oxide & Phosphate |
Beta Hemihydrate Particles Absorb______
Less Water | |
None Of The Above | |
No Water | |
More Water |
Best Material For Duplicating Cast Is______
Zinc Oxide Eugenol | |
Agar-Agar | |
Plaster Of Paris | |
Alginate |