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Dr. DiTolla’s Clinical Tips – Ivoclean®




Ivoclar Vivadent Inc.
Amherst, N.Y.

When I started looking into the best way to cement or bond BruxZir® crowns, I stumbled across some research done by Ivoclar Vivadent that showed that zirconia oxide gets contaminated once it is tried in the mouth and comes in contact with saliva. It turns out that the phospholipids in saliva contain the same phosphate groups as zirconia primers. Furthermore, simply rinsing the saliva out of the crown does not remove the phosphate groups that are bonded to the zirconia oxide, and using phosphoric acid only worsens the problem because it is full of phosphates as well. To effectively remove these phosphate groups, a zirconia oxide solution needs to be used to clean the crown. Ivoclean is the only product like this available today.

Once the salivary phosphate has bonded to the zirconia oxide in the crown, Ivoclean works by flooding the inside of the crown with a greater concentration of zirconia oxide. Placing Ivoclean into the crown creates a concentration gradient, so that the phosphates that were bonded to the crown become bonded to the zirconia oxide in the Ivoclean. After 20 seconds, the Ivoclean is simply rinsed away, creating a fresh bonding surface on the inside of the crown for the zirconia primer. To watch an in-depth presentation on this topic, visit the Video Gallery and view the “Updated BruxZir Cleaning, Cementing and Bonding Protocol” video.

Chairside Magazine: Volume 7, Issue 4

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