Simplicity Instructions: Delivery of a CAD/CAM (or Ceramic) Restoration

Protocol for the Delivery of a CAD/CAM (or all ceramic) Restoration

Preparing the Tooth:

  1. Rinse the preparation thoroughly and remove all visible water by drying the surface for approximately 5 seconds with dried compressed air.
  2. Dispense a drop of Simplicity 1 into one cavity of the enclosed mixing well. Using the red Microbrush® applicator, apply Simplicity 1 to the entire cavity preparation and the surrounding tooth structure, agitating briskly for at least 10 seconds. DO NOT DRY Simplicity 1
  3. Dispense a drop of Simplicity 2 into another cavity of the mixing well. Using the blue Ultratip® applicator apply three brushfuls of Simplicity  2 to the entire cavity preparation, dabbing each brushful to help distribute as much of the primer as possible.
  4. Dry the primed surface with dried compressed air for at least 10 seconds with the air syringe tip as close as possible to the surface. DRY Simplicity 2 THOROUGHLY
  5. Apply two additional coats of Simplicity 2 and dry thoroughly
  6. Light-activate for 10 seconds. Simplicity can be activated with any dental activation light.

Imaging for CEREC® Restorations:

  1. Wipe off the oxygen-inhibited layer with a cotton pellet soaked in either isopropyl or ethyl alcohol, rinse and dry
  2. Apply the scanning powder and scan the restoration
  3. Rinse the powder off with an air-water spray. If any powder remains it may be removed with a cotton pellet soaked with Simplicity 1, rinsed and dried.
  4. Isolation may be removed at this time if desired or may be left in place depending on clinician choice.

Preparing the Restoration:

It is highly recommended the restoration is lightly micro-etched (27micron aluminum oxide), rinsed and dried prior to silanation and delivery.  The micro-etching not only provides additional mechanical retention but also ensure the surface is completely free from milling oils and other contaminants.

  1. Clean the restoration thoroughly to be sure all milling oil and other contaminates are removed.  This can be done with steam or very thorough cleansing with isopropyl alcohol.  Water and air will not provide a sufficiently clean surface.
  2. Using a Microtip® applicator, apply an even coating of the prepared Interface solution to the ceramic surface and allow to dwell for 10 seconds.
  3. Dry the Interface solution thoroughly (approximately 5 seconds)
  4. Apply 2 coats of Simplicity 2 to the surface, dry thoroughly and light activate for 10 seconds.

Delivering the Restoration:

  1. If isolation has been maintained, apply 2 coats of Simplicity 2 to the sealed prep and dry thoroughly.  Do not light activate.
  2. If isolation has not been maintained or the sealed prep has become contaminated, the sealed prep should be cleaned with a cotton pellet soaked in alcohol, rinsed and dried. Then apply 2 coats of Simplicity 2 to the sealed prep and dry thoroughly. Do not light activate.
  3. Anchor® luting cement is then inserted either into the prep or onto the fitting surface of the restoration and the restoration is seated. As the Anchor® resin gels, the excess may be removed. Once the excess cement is removed, each restoration surface is light-activated for 10 seconds and the process is complete.

Protocol for Sealing and Imaging for a CEREC® Restoration:

The following technique seals the tooth prior to introducing imaging powder which can be difficult to completely remove from the dentin tubules. By following this technique, sensitivity and bonding issues will be eliminated.

  1. Prepare the tooth for the CEREC® restoration
  2. Apply Simplicity as per manufacturer’s instructions
  3. Wipe off the oxygen-inhibited layer with a cotton pellet soaked in either isopropyl or ethyl alcohol, rinse and dry
  4. Apply the scanning powder and scan the restoration
  5. Rinse the powder off with an air-water spray. If any powder remains it may be removed with a cotton pellet soaked with Simplicity 1, rinsed and dried.
  6. Isolation may be removed at this time if desired or may be left in place depending on clinician choice.
  7. Once the restoration is fabricated and cleaned, the inner bonded surface may be sandblasted lightly with 27 micron aluminum oxide, rinsed and dried. Then Interface and Simplicity 2 are applied, dried thoroughly
  8. If isolation has been maintained, Simplicity 2 only need be applied to the sealed prep and dried thoroughly.
  9. If isolation has not been maintained, the sealed prep should be cleaned with a cotton pellet soaked in alcohol, rinsed and dried. Then Simplicity 2 may be applied as above.

Anchor® luting cement is then inserted either into the prep or onto the fitting surface of the restoration and the restoration is seated. As the Anchor® resin gels, the excess may be removed. Once the excess cement is removed, each restoration surface is light-activated for 10 seconds and the process is complete.

For a more detail protocol for the delivery of a CAD/CAM restoration please see the prior page.