We May Have Done Something Right Composite Restorations at the College of Dentistry University of Tennessee Health Science Center - Exam 82
by Tantbirojn, Simon, Harrison
The success of composite restorations requires meticulous clinical technique in addition to
reliable restorative materials and armamentarium. Early failure of restorations is undesirable and are usually replaced at no cost to patients.

 1) The longevity of composite restorations was not affected by the method of isolation.
  1. True
  2. False
 2) In a Class IV restoration where esthetics are crucial a wider facial bevel is recommended.
  1. True
  2. False
 3) For traditional Class II occluso-proximal preparations:
  1. Well-defined line angles are recommended
  2. Sufficient proximal clearance is recommended
  3. A and B
 4) Clinical observation showed the lowest post-operative sensitivity when ____ is applied to the deepest areas of Class V preparations.
  1. Zinc phosphate
  2. Resin-modified glass ionomer (RMGI)
  3. Cavit
  4. ZOE
 5) It is critical for enamel and dentin to be etched properly.
  1. Enamel should be etched for 20 seconds
  2. Dentin should be etched for 15 seconds
  3. A and B
  4. Meta-data showed it did not matter