Properties of Materials
What is resistance to flow called?
Viscosity
What are the strongest type of bonds called?
Primary bonds
What state has definite shape and volume?
Solid
Materials used to treat disease are called?
Therapeutic materials
What happens when materials are mixed together?
A reaction occurs
What property describes a material returning to its original shape?
Elasticity
What bond involves sharing electrons?
Covalent bond
What state has volume but no shape?
Liquid
Materials used to prevent disease?
Preventive materials
Name one type of setting reaction
Chemical set or Light set or Dual set
What is the maximum stress before breaking called?
Ultimate strength
What bond involves transfer of electrons?
Ionic bond
What state has no definite shape or volume?
Gas
Fillings and crowns fall under what category?
Restorative materials
What is the time you can work with a material called?
Working time
Resistance to wear and abrasion is called?
Hardness
What type of bond is weakest?
Secondary bond
What type of material flows more easily under pressure?
Thixotropic material
What are the two types of restorative materials?
Direct and Indirect
What is the time it takes to harden called?
Setting time
Resistance to permanent deformation is known as?
Resilience
What type of bond has a "cloud" of electrons?
Metallic bond
What term describes compactness of matter?
Density
Give one example of a preventive material
Fluoride or Sealant
What can happen if measurements are incorrect?
Outcome and effectiveness of material changes