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February 22, 20260 citationsOpen Access

Accuracy Comparison of 3D-Printed Cutting Guides for Fibular Flap Surgery

Comparison of the accuracy of different slot properties of 3D-printed cutting guides for raising free fibular flaps using saw or piezoelectric instruments : an in vitro study

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Authors

BLBritta Lohn

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Overview

In vitro comparison shows anatomical slots improve surgical accuracy in fibular flap techniques, suggesting optimal guide designs.

Key Points

  • This research investigates how varying designs of cutting guides and instruments influence surgical accuracy in fibular flap surgery.
  • Conducted ninety model operations using three guide designs (standard, flange, anatomical) and heights (1 mm, 2 mm, 3 mm).
  • Utilized two cutting instruments: a piezoelectric instrument and a saw.
  • Digitized cut segments with computed tomography for accuracy assessment.
  • Anatomical and flange slots were the most accurate for vestibular and lingual segment lengths (p < 0.001).
  • Minor differences noted between saw and piezoelectric instrument for segment lengths and proximal angles.
  • U-distance median deviation for flange guides was 0.0468 mm but was not statistically significant (p = 0.067).
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Cite This Study

Britta Lohn (2025) studied this question.

synapsesocial.com/papers/699a9e20482488d673cd49f9https://doi.org/10.18154/rwth-2026-00502
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