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August 27, 2026Clinical Oral InvestigationsOpen Access

A comparison of panoramic views reformatted from CBCT scans using manual or automated workflows: an evaluation of geometric accuracy and subjective image quality

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Authors

AFAli FahdMEMohamed EllabbanMBMichael M. Bornstein

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Overview

Comparative radiographic study reveals protocol-dependent measurement errors in CBCT panoramic reformations, highlighting the need for cross-verification before clinical decision-making.

Key Points

  • To compare the geometric accuracy and subjective image quality of CBCT reformatted panoramic views generated using automatic reconstruction, nasal spine plane-oriented manual reconstruction, and occlusal plane-oriented manual reconstruction workflows.
  • Analyzed N=28 CBCT datasets across three panoramic reconstruction protocols: automated (G1), nasal spine plane-oriented manual (G2), and occlusal plane-oriented manual (G3).
  • Evaluated geometric accuracy using linear measurements (incisor crown width, inter-radicular bone distance, and panoramic interslice distance) relative to reference axial images.
  • Assessed subjective image quality across all three reconstruction protocols using a 7-item binary visual scoring system.
  • Crown-level linear measurements differed significantly between reference axial images and reformatted panoramic views across all three protocols.
  • Bone-level measurements showed significant differences in the automated (G1) and occlusal plane manual (G3) protocols, but not in the nasal spine plane manual protocol (G2).
  • Measurement errors in all groups demonstrated a significant positive correlation with panoramic interslice distance, increasing as sites deviated from the panoramic curve center.

Cite This Study

Fahd et al. (2026) studied this question.

synapsesocial.com/papers/6a8fe99e10c91c1e926214ddhttps://doi.org/10.1007/s00784-026-07086-1
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