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Has anyone had an issue with IOS cases scan accuracy? I've experienced this with bridges mainly. The case is designed digitally; 3d models are printed and finished on the printed model. Everything is perfect. Once the crown is seated in the patient mouth, it does fit. A traditional impression is taken, and when compared, it is different from the IOS scan. This has happened to me before. I haven't got a clear answer to this problem when contacting the manufacturer. My best guess is that the scan is not stitching correctly due to the scanning technician technic. If this is the case, is there a way to check the quality of the scan?