Bicon Dental Implants
Friday, November 21st 2008 2:02PM EDT

All-Ceramic Crown: Restoration of a Mandibular Molar
This case demonstrates the extra-oral cementation and insertion of an all-ceramic crown.
     


1. Labial view of sulcus after removal of temporary abutment.


2. White 3.0mm impression post seated in implant well prior to being picked up in an implant level transfer impression.


3. A 5.0mm x 2.0mm x 3.0mm shouldered abutment seated with finger pressure in implant well.


4. Short one-piece acrylic sleeve snapped onto shouldered abutment to form and maintain sulcus.


5. Aluminum oxide sleeve on a 5.0mm x 2.0mm x 3.0mm shouldered abutment in a soft tissue model.


6. All-ceramic crown built directly on an aluminum oxide sleeve.


7. Red acrylic orientation template or jig fabricated on laboratory model.


8. Mirror view of all-ceramic crown which was built directly on a prefabricated aluminum oxide sleeve.


9. View of implant sulcus prior to a crestal relieving incision being made to facilitate the insertion and emergence profile of the extra-orally cemented crown and abutment.


10. Crestal relieving incision being made.


11. Metallic bonding agent of polyceramic cement being applied to abutment.


12. Bonding agent being applied to abutment and all-ceramic crown.


13. Polyceramic cement being applied to shouldered abutment for the extra-oral cementation of the crown.


14. Extraneous cement being removed with cotton.


15. Mirror view of extra-orally cemented crown.


16. Extra-orally cemented crown being inserted into implant well.


17. Red acrylic orientation template or jig being used to dampen the seating tap.


18. Lingual view revealing the aesthetic difference of a porcelain fused to metal and an all-ceramic crown.


19. Radiograph of mandibular implant two years after insertion.
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