Manual Cephalometric Tracing vs Ortho-Analyser

Marcello M. | August 26, 2025

Cephalometrics is central to orthodontic diagnosis. Two approaches coexist today: traditional manual tracing on radiographs and AI-driven automated analysis with OrthoAnalyser, which automatically places landmarks.

1) Manual tracing: strengths and limits

  • Educational value: excellent to learn anatomy and landmark logic (S, N, A, B, Pog, etc.).
  • Expert control: every landmark is chosen and confirmed by the clinician.
  • Limits: more time-consuming (15–30 min), operator variability, less convenient calculations and archiving for longitudinal follow-up.

2) OrthoAnalyser (AI): workflow and benefits

Workflow: upload the radiograph → AI automatically detects/places landmarks → instant computation (SNA, SNB, ANB, FMA/MMPA, Wits, etc.) → interpreted report with reference norms and time-based comparisons.

  • Speed: full analysis in seconds, ideal chairside.
  • Repeatable accuracy: less affected by fatigue/subjectivity.
  • Patient-facing reports: clinical interpretations, visuals, and PDFs.
  • Follow-up: easy multi-date comparisons, secure export and storage (GDPR compliant).

Notes: image quality matters; final clinical validation remains essential.

3) When to prefer each?

  • Training / complex cases: manual remains valuable to deepen understanding and double-check atypical situations.
  • Daily clinical workflow: OrthoAnalyser AI saves time, standardizes measurements, and improves patient communication.

4) Quick comparison table

Criterion Manual Tracing OrthoAnalyser (AI)
Landmark placement Human (operator) AI-automated + clinician validation
Time 15–30 min Seconds
Reproducibility Variable High
Reports & follow-up Manual Automated + time-based comparisons
Educational value Excellent for fundamentals Strong (visuals, norms, PDFs)

Conclusion

Manual tracing is the foundational learning path. In everyday practice, OrthoAnalyser’s AI delivers superior speed, standardization, and patient communication, while keeping the clinician in charge of the final validation.