.  2024 Sep;28(3):142-150. 10.32542/implantology.2024015.

Retrieval of an Implant Abutment Screw Fractured at the Thread Level: A Case Report

• Paik JH
• Song SR
• Choi J
• You TM
• Doh RM

• KMID: 2562842
• DOI: http://doi.org/10.32542/implantology.2024015

Abstract

This case report discusses the approach and considerations involved in retrieving a fractured implant abutment screw. A 69-year-old male patient presented with a dislodged implant prosthesis caused by a fractured abutment screw. The fracture occurred at the most apical portion of the screw, specifically in the threaded region, making its retrieval particularly challenging. The screw was successfully removed using a commercially available retrieval kit. The effectiveness of the kit was attributed to a guide that allowed the retrieval instrument to align precisely with the long axis of the implant. Without such a guide, a risk of damaging the internal threads of the implant fixture exists, potentially leading to the need for implant removal. Therefore, using a retrieval kit with a guide or fabricating a custom-made guide is crucial for preventing implant damage and ensuring proper alignment during the procedure.

Keyword

Angulation; Dental implants; Removal kit; Retrieval; Screw fracture