Podcast
Questions and Answers
What is the unit of stress?
What is the unit of stress?
- Meters (m)
- Pascal (Pa) (correct)
- Newtons (N)
- Pascal Force (PF)
What type of stress involves two forces against each other?
What type of stress involves two forces against each other?
- Shear
- Tension
- Compression (correct)
- Expansion
In which type of strain do objects return to their original shape after deformation?
In which type of strain do objects return to their original shape after deformation?
- Elastic (correct)
- Tensile
- Ductile
- Plastic
What is the change in length per unit length of the body when a stress is applied?
What is the change in length per unit length of the body when a stress is applied?
What does the shape of the stress-strain curve indicate about the material?
What does the shape of the stress-strain curve indicate about the material?
ما هي الخاصية الأساسية للمادة الكاسية المستخدمة في تقنية الشمع المفقود؟
ما هي الخاصية الأساسية للمادة الكاسية المستخدمة في تقنية الشمع المفقود؟
ما هو الاستخدام الرئيسي للمادة الكاسية في تقنية الشمع المفقود؟
ما هو الاستخدام الرئيسي للمادة الكاسية في تقنية الشمع المفقود؟
ما هي الخاصية الأساسية التي يجب توفرها في المادة الكاسية لتقنية الشمع المفقود؟
ما هي الخاصية الأساسية التي يجب توفرها في المادة الكاسية لتقنية الشمع المفقود؟
ما الذي يحدث للمادة الكاسية بعد صب المعدن المنصهر حول الشمع في تقنية الشمع المفقود؟
ما الذي يحدث للمادة الكاسية بعد صب المعدن المنصهر حول الشمع في تقنية الشمع المفقود؟
ما هي الميزة الرئيسية لتقنية الشمع المفقود في صناعة الحشوات والتوج؟
ما هي الميزة الرئيسية لتقنية الشمع المفقود في صناعة الحشوات والتوج؟
Flashcards
Unit of stress
Unit of stress
Pascal (Pa)
Compression stress
Compression stress
Stress involving two forces pushing against each other.
Elastic strain
Elastic strain
Strain where objects return to original shape after deformation.
Strain formula
Strain formula
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Stress-strain curve
Stress-strain curve
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Lost wax casting
Lost wax casting
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Lost wax casting wax property
Lost wax casting wax property
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Lost wax casting wax use
Lost wax casting wax use
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Wax in Lost Wax Casting
Wax in Lost Wax Casting
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Lost Wax Casting Advantage
Lost Wax Casting Advantage
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Study Notes
Dental Investments
- Definition: A mold is created from a wax pattern using a refractory material.
- Refractory materials: Nonmetallic substances that endure high temperatures without degradation, softening, or loss of strength.
- Investment: A ceramic material ideal for forming molds for casting molten metals or alloys.
Lost Wax Technique
- Process: Sprue and sprue base attach to the wax pattern.
- Setup: The assembly is placed in a casting ring, then fluid investment is poured around it.
- Final steps: Once the investment hardens, the base is removed, and the wax along with the sprue is eliminated by softening or burning, creating a cavity for filling with alloy or ceramic.
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Description
Test your knowledge of the properties of dental materials with this quiz. Explore topics such as mechanical, chemical, physical, and biological properties, and gain a better understanding of how these factors affect the handling and performance of dental materials.
