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. 2021 Jul 2;143(1):169–175. doi: 10.1007/s00402-021-04025-5

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© The Author(s) 2021

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Fig. 5 — Postoperative calculation of achieved deviation. Preoperative planning is represented by the orange vector, which was planned after the first CT imaging. The blue vector corresponds to the intraoperatively placed wire, determined by second CT imaging