SOLUTIONS
The resin bonding agents from which type of bond to composite resin? - Correct Answer Chemical bond
Which of the following are classification of dental materials? - Correct Answer Preventative, Restorative,
Theraputic
In general, __________ temperature and __________ humidity will accelerate the reaction of materials.
- Correct Answer High, high
What effects initial and final setting of dental material? - Correct Answer Moisture and pressure
What is an example of indirect restorative material? - Correct Answer Porcelain
Composite resin is an example of what type of restoration? - Correct Answer Direct restoration
Altering the set ratios of a material will do what? - Correct Answer Produce adverse results
Torque is a combination of which forces? - Correct Answer Compressive and tensile ( not shearing)
What does thermal expansion effect in dental materials? - Correct Answer Changes the volume and the
length
What is it called when a dental material gives off heat? - Correct Answer Exothermic reaction
What is the cause of microleakage? - Correct Answer Poorly placed or sealed restorations, moisture
control, expansion and contraction.
What is the term that best describes the thickness of thinness of a dental material? - Correct Answer
Viscosity
, Adhesion is a method of what type of retention? - Correct Answer Chemical retention
What is the term that best describes the amount of time permitted to manipulate materials in the
mouth? - Correct Answer Working time
Merchant is also known as a ____________. - Correct Answer Conditioner
What type of acid is used during a bonding procedure? - Correct Answer Phosphoric acid
What appearance should be present after acid etching? - Correct Answer Chalky or frosty
The layer that interferes with the formation of a bond and thus should be removed is called? - Correct
Answer Smear layer
How long should dent in be etched? - Correct Answer 10-20 second or manufacturers instructions
After etching the dentinal surface is left _________ - Correct Answer Moist
What does thermal expansion effect in dental materials? - Correct Answer Changes the volume and the
length
The thin coating of insured resin found on the surface after polymerization is called ____________ -
Correct Answer Oxygen inhibited layer
The process of which a material can be cured with light or cure chemically with time is
called__________________ - Correct Answer Duel cured
Type of acid used when preparing a porcelain restoration is? - Correct Answer Hydrofluoric acid