7WAXES Flashcards
1
Q
What is the most important feature of WAX? (Hardens on Cooling and Softens on heating)
A
ThermoPlastic
2
Q
Waxes have a _____ degree of thermal expansion. Which is due to _______ ________ ______ and _______ ______.
A
High…Secondary Valence Forces and Transition Points
3
Q
What type of stress is due to heating and cooling the wax?
A
Residual Stress
4
Q
_______ stresses - independent of applied forces.
Usually a result of non-uniform heating and cooling.
A
Internal
5
Q
What are the 4 major properties of waxes?!
A
- Melting RANGE (not point) 2.Tendency to FLOW 3.Residual Stresses 4.LARGEST C.T.E. of all dental materials!
