Question 71 · LDEK · Composites
Which of the following statements concerning polyacid-modified composite resin materials (compomers) is false?
- A. they require the use of bonding systems.
- B. fewer fluoride ions are released from compomers than from conventional glass-ionomer cements.
- C. they exhibit better mechanical properties than conventional glass-ionomer cements.
- D. they require a tightly sealed packaging; once the packaging is opened, their utility time is short due to their relatively high sensitivity to environmental factors.
- E. they contain precured glass-ionomer particles which have already been treated with polyacrylic acid.
Hint
Distinguish compomers from giomers: in which material has the glass already reacted with polyacid before it reaches the clinician?
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