All-On-Four™ Conversions
Steps for Success...
Photos & Dentistry by Dr. Matt Hallas
Laboratory Services by the Ottawa Dental Laboratory LLC
1. Final Impression Appointment:
(est. 1.5 hours)
- Remove transitional appliance or healing abutments.
- Place appropriate impression copings on each implant.
- Take radiograph to verify proper seating of impression copings.
- Take final impression with impression copings in place. Be sure to capture all landmarks including vestibules & palate.
- Remove impression with impression copings after allowing for the manufacturer’s recommended set time.
- Replace transitional appliance or healing abutments.
*Note: Impression copings & analogs are not included. Please allow 1 week for case to be returned to your office.
2. Model Verification & Bite Registration Appointment: (est. 1.5 hours)
- Remove transitional appliance or healing abutments.
- Seat verification jig to ensure a passive fit. (if verification jig does not seat properly, it can be sectioned and luted into place.)
- Bite block is then seated and bit registration to be taken.
- Please include tooth shade.
*Note: Temporary abutments for verification jig are not included. Screw retained bite rim with one additional temporary abutment is optional. Please allow 1 week for case to be returned to your office.
3. Wax Try-In Appointment:
(est. 1.5 hours)
- Remove transitional appliance or healing abutments.
- Seat wax try-in to evaluate esthetics, occlusion, buccal corridor, and shade.
*Note: Please allow 1 week for case to be returned to your office.
4. Nobel Procera Milled Bar
with Wax Try-In Appointment: (est. 1.5 hours)
- Remove transitional appliance or healing abutments.
- Wax tooth try-in with titanium bar.
- Take radiograph to verify it.
- Evaluate esthetics, occlusion, buccal corridor, and shade.
*Note: This is the appointment that ODL is looking for final approval for taking the case to final process. Please allow 2 week for case to be returned to your office.
5. Final Delivery of All-On-Four™:
(est. 1.5 hours)
- Remove transitional appliance or healing abutments.
- Seat final restoration and verify fit, occlusion, and final esthetics.
- Torque screws to Nobel’s suggested Ncm.
