Dental materials-final exam review
questions with 100% verified solutions
example of physical property
a. density
b. mass
c. weight
d. all of the above
e. a and b CORRECT ANSWERS d. all of the above
test that measures hardness
a. density
b. knoop method
c. goldilocks principle
d. abrasion test CORRECT ANSWERS knoop method
elasticity is an example of:
a. physical property
b. mechanical property
c. both of the above
d. none of the above CORRECT ANSWERS b. mechanical property
this is an example of galvanic shock
a. a metallic taste in the mouth
b. a sensation created by a fork toughing an amalgam
c. the sensation when you place an amalgam but the patient isn't numb
d. a and b only. CORRECT ANSWERS d. a and b only.
the small change in shape resulting when an object is under continuous compression
a. creep
b. percolation
c. solubility
d. vicsocity CORRECT ANSWERS a. creep
when repeated expansion and contraction of teeth and restoration results in fluids being
sucked in and pushed put at the margins of a restoration is known as:
a. creep
b. percolation
c. solubility
d. vicsocity CORRECT ANSWERS b. percolation
there a mouth of material that dissolved in a liquid
a. water sorption
b. vicsodity
, c. solubility
d. hardness CORRECT ANSWERS c. solubility
name the 4 items of PPE that must be worn during patient treatment CORRECT
ANSWERS mask, glasses, gloves, gown
mercury can cause health effects to health care provider and patients.
true or false CORRECT ANSWERS true
treating all patients and materials as potential infection is called
a. standard precautions
b. universal precaution
c. none of the above CORRECT ANSWERS b. universal precaution
aerosols, dust and other spray disinfectants could be a respiratory hazard
true or false CORRECT ANSWERS true
this sheet comes with all orders of dental materials and it should always be kept on file
a. CAT
b. DMS
c. TDMS
d. MSDS (MDS) CORRECT ANSWERS d. MSDS (MDS)
disinfectants are not irritating to the skin
true or false CORRECT ANSWERS false
custom impression trays are preferred because
a. better control
b. accommodate various anatomy
c. can be used again on that patient
d. all of the above CORRECT ANSWERS d. all of the above
the correct impression tray size extends this far beyond the last erupted tooth
CORRECT ANSWERS 2-3mm
this happens when impression materials loses water and shrinks or becomes distorted
a. synersis
b. imbibition CORRECT ANSWERS a. synersis
impressions need to be disinfected for this long before handling them
a. 2 minutes
b. 5 minutes
c. 10 minutes
d. 15 minutes CORRECT ANSWERS c. 10 minutes
a triple tray takes an impression of
questions with 100% verified solutions
example of physical property
a. density
b. mass
c. weight
d. all of the above
e. a and b CORRECT ANSWERS d. all of the above
test that measures hardness
a. density
b. knoop method
c. goldilocks principle
d. abrasion test CORRECT ANSWERS knoop method
elasticity is an example of:
a. physical property
b. mechanical property
c. both of the above
d. none of the above CORRECT ANSWERS b. mechanical property
this is an example of galvanic shock
a. a metallic taste in the mouth
b. a sensation created by a fork toughing an amalgam
c. the sensation when you place an amalgam but the patient isn't numb
d. a and b only. CORRECT ANSWERS d. a and b only.
the small change in shape resulting when an object is under continuous compression
a. creep
b. percolation
c. solubility
d. vicsocity CORRECT ANSWERS a. creep
when repeated expansion and contraction of teeth and restoration results in fluids being
sucked in and pushed put at the margins of a restoration is known as:
a. creep
b. percolation
c. solubility
d. vicsocity CORRECT ANSWERS b. percolation
there a mouth of material that dissolved in a liquid
a. water sorption
b. vicsodity
, c. solubility
d. hardness CORRECT ANSWERS c. solubility
name the 4 items of PPE that must be worn during patient treatment CORRECT
ANSWERS mask, glasses, gloves, gown
mercury can cause health effects to health care provider and patients.
true or false CORRECT ANSWERS true
treating all patients and materials as potential infection is called
a. standard precautions
b. universal precaution
c. none of the above CORRECT ANSWERS b. universal precaution
aerosols, dust and other spray disinfectants could be a respiratory hazard
true or false CORRECT ANSWERS true
this sheet comes with all orders of dental materials and it should always be kept on file
a. CAT
b. DMS
c. TDMS
d. MSDS (MDS) CORRECT ANSWERS d. MSDS (MDS)
disinfectants are not irritating to the skin
true or false CORRECT ANSWERS false
custom impression trays are preferred because
a. better control
b. accommodate various anatomy
c. can be used again on that patient
d. all of the above CORRECT ANSWERS d. all of the above
the correct impression tray size extends this far beyond the last erupted tooth
CORRECT ANSWERS 2-3mm
this happens when impression materials loses water and shrinks or becomes distorted
a. synersis
b. imbibition CORRECT ANSWERS a. synersis
impressions need to be disinfected for this long before handling them
a. 2 minutes
b. 5 minutes
c. 10 minutes
d. 15 minutes CORRECT ANSWERS c. 10 minutes
a triple tray takes an impression of
