Question 95 · LDEK · Implant-supported restorations
When cementing restoration made of silicate ceramic on an implanted metal abutment, with the use of composite resin cement, the restoration surface treatment involves:
- A. etching with 9% HF, followed by silane application.
- B. sandblasting the internal part of the crown.
- C. sandblasting the internal part of the crown, followed by silane application.
- D. etching with 9% HF, followed by sandblasting the internal part of the crown and silane application.
- E. etching the internal part of the crown with orthophosphoric acid.
Hint
Silica-based ceramics are etchable; which acid creates micro-retention and which agent chemically couples silica to resin?
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