Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What type of deformation occurs when a tensile force is applied?
What type of deformation occurs when a tensile force is applied?
- Elongation (correct)
- Torsion
- Shear
- Compression
How is strain, ε, defined?
How is strain, ε, defined?
- The change in volume per unit original volume
- The change in angle per unit original angle
- The change in cross-sectional area per unit original area
- The change in length per unit original length (correct)
What is the unit of strain?
What is the unit of strain?
- Meters
- Dimensionless (correct)
- Newtons
- Pascals
What is the strain if a wire with an original length of 2 mm is deformed to a new length of 2.02 mm?
What is the strain if a wire with an original length of 2 mm is deformed to a new length of 2.02 mm?
Signup and view all the answers
What is the difference between elastic and plastic strain?
What is the difference between elastic and plastic strain?
Signup and view all the answers
What is the clinical importance of strain in dental restorative materials?
What is the clinical importance of strain in dental restorative materials?
Signup and view all the answers
How can orthodontic wires be used without fracturing?
How can orthodontic wires be used without fracturing?
Signup and view all the answers
What is the importance of strain in impression materials?
What is the importance of strain in impression materials?
Signup and view all the answers
What happens to the lateral dimension of a material during axial loading?
What happens to the lateral dimension of a material during axial loading?
Signup and view all the answers
What is the relationship between axial and lateral strain during axial loading?
What is the relationship between axial and lateral strain during axial loading?
Signup and view all the answers
