Implant Removal and Replacement at #46
Surgical Procedure
Chief Complaint
Failure of existing implant at #46 due to worn abutment fitting surface and recurrent crown loosening.
Clinical Findings
Previously placed Dentium Superline implant at #46
Abutment fitting surface severely worn from prolonged chewing with a loose crown
Implant no longer serviceable
Replacement implant required
CBCT confirmed adequate bone for new placement and safe distance from IDN
Treatment Plan
Removal of failed #46 implant
Preparation of new osteotomy site
Placement of new implant
Primary closure and post-op CBCT verification
Pre-operative Assessment
CBCT reviewed with patient
Risks and procedural steps explained
Implant position re-planned to optimize stability
Patient understood and agreed
Informed consent obtained for implant removal and replacement at #46
Anesthesia
Local anesthesia.
Surgical Procedure
Patient cleaned and draped
Incision made; buccal flap raised
Old implant removed using trephine, abutment removal, and reversal driver
New implant site prepared using implant drills and osteotomes
Dentium Superline III implant (6.0 × 8.0 mm) placed at #46
Healing abutment 5.5 mm (S) attached
BSS × 3 placed for primary closure
Hemostasis achieved; POI given
Post-operative Assessment
Post-op CBCT showed correct implant angulation and depth
IDN intact and uninvolved
Patient satisfied with outcome