Abstract
In an abutment - Implant fracture, it is generally a challenge for the clinician to remove the fractured fragments. A fractured abutment screw of a single crown or fixed dental prostheses supported by an endosseous implant is a complication. In some cases, the screw cannot be removed, and alternative solutions should be considered. This clinical report describes a fractured abutment screw prostheses and cold welded screw , which was impossible to retrieve.
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