If a metal substructure does not fit after taking an implant impression, what should be the next step?

When a metal substructure does not fit after an implant impression, sectioning the metal framework and taking a pickup impression is an appropriate response because it allows for adaptive modifications to ensure the substructure aligns correctly with the implant. This approach can help capture the exact contours of the current situation in the mouth, enabling better fitment of the framework.

Taking a new fixture level impression or an abutment level impression is not as efficient since they may not directly address the specific issue of the substructure's misalignment. Similarly, ordering duplicate abutments and constructing a new substructure may be unnecessary unless the original components are deemed entirely unusable. Sectioning the metal framework allows for immediate adjustments and can facilitate a faster resolution to the fitting issue, leading to a more effective and efficient workflow in the restorative process.