Removal of a Broken Abutment Post of a Maxillary Lateral Incisor and Insertion

This case demonstrates the removal of a 2.0mm fractured abutment post from a badly positioned lateral incisor implant. It also demonstrates the insertion of a Bicon Integrated Abutment Crown™ with an excessive angulation of its post.

RESTORATIVE: Integrated Abutment Crowns™
TOPICS: Crown Insertion Impression

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1.

Radiograph revealing the fact that only two maxillary Bicon implant restorations are definitely in occlusion resulting in their being inappropriately loaded.

2.

Pre-operative view.

3.

View of initial incision.

$4. View of fractured abutment remaining in implant.$

4.

View of fractured abutment remaining in implant.

5.

Abutment post being removed with a #1557 carbide bur.

6.

Removed post on tip of #4 round bur which was used to remove it from implant well.

7.

Removed post alongside of the #1557 carbide bur which made a central bore in the post facilitating its removal. Note length of post is the same length as the cutting edge of the #1557 bur.

8.

Guide pin trajectory revealing the excessive angulation necessitated by the badly positioned implant.

9.

Fractured post aligned with failed porcelain fused to metal prosthesis.

10.

Palatal view of porcelain fused to metal crown revealing a large wear facet.

11.

Narrow one-piece acrylic sleeve on stealth shouldered abutment prior to the fabrication of a temporary crown.

12.

Temporary crown snapped onto the abutment which is seated only with finger pressure in the implant well.

13.

Implant sulcus two weeks after post removal.

14.

Black 2.0mm impression post being inserted into implant well.

15.

Black impression post seated in implant well.

16.

Impression material being injected around black impression post.

17.

Soft tissue moulage injected around immpression post and minimally around implant analog in full arch impression.

18.

Stone model incorporating implant analog being poured in dental stone.

19.

Trajectory of guide pin in implant analog of stone model reveals how badly positioned the implant is.

20.

Digital photograph being taken of shade guide against a black background.

21.

Integrated abutment crown on model with pink incisal seating jig which will facilitate the intra-oral orientation of the Bicon Integrated Abutment Crown™.