Abstract

Implant-based restoration is currently seen to be a more reliable option with higher success rates. Biological and technological problems, on the other hand, are common. An implant insertion complication well known to many is the loosening of the abutment screw. Fractures of the implant-abutment may cause the implant to fail to function efficiently as they may leave a fragment inside the implant. This study aimed to introduce the modified design of a tool to extract the stripped abutment screw from the implant body and to analyses the deformation, stress and strain acting on the tool using the finite element method.

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