Bicon Dental Implants
Thursday, August 28th 2008 12:26AM EDT
 

Overdenture Restorations: Replacement of an Existing Mandibular O-ring Abutment with a Brevis™ Abutment

This case demonstrates the chairside overdenture technique for the replacement of a too tall o-ring abutment with a 4.0mm 0° Brevis™ abutment.
     


1. Patient’s existing denture revealing the need for a shorter o-ring abutment.


2. View of two mandibular o-ring abutments after the removal of denture.


3. Abutment being grasped with an ash forceps.


4. Ash forceps being gently tapped for the removal of the o-ring abutment.


5. A 4.0mm 0° Brevis™ abutment with 3.0mm post being inserted.


6. Brevis™ abutment being tapped for definitive seating.


7. View of seated Brevis™ abutment.


8. Brevis™ housing with plastic cap being snapped onto abutment after placing an apron of rubber dam over the abutment.


9. Patient’s denture being relieved to accommodate Brevis™ housing.


10. Patient’s denture being relieved to accommodate Brevis™ housing.


11. Seated Brevis™ housing.


12. Acrylic being applied to Brevis™ housing.


13. Minimal acrylic being placed into relieved denture.


14. Patient clenching bilaterally on cotton rolls while the acrylic is setting.


15. Crestal view immediately after the removal of denture.


16. Crestal view after the removal of rubber dam apron.


17. Excess acrylic being polished.


18. Excess acrylic being polished.


19. Excess acrylic being polished.


20. Excess acrylic being polished.


21. Excess acrylic being polished.


22. Excess acrylic being polished.


23. O-ring being removed to facilitate the removal of the red acrylic cap which was over the Brevis housing.


24. The red acrylic cap being removed.


25. Crestal view after the reinsertion of the rubber o-ring.
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