Non-Cochrane · DTA · PM42698514

Parameter-level comparison of artificial intelligence and manual cephalometric measurements: a systematic review and meta-analysis.

Coronel-Zubiate Franz Tito, Marroquín-Soto Consuelo, Meza-Málaga Joan Manuel, et al. · Frontiers in dental medicine · 2026 · PubMed · doi:10.3389/fdmed.2026.1820984

Findings

Population Patients requiring orthodontic diagnosis

16 findings

AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsL1–NB distance (mm)SMD (Hedges’ g) 0.29 [-0.08, 0.63]
GRADE not reported
2 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsL1–NB angle (°)SMD (Hedges’ g) -0.22 [-0.96, 0.53]
GRADE not reported
2 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsInterincisal angle (°)SMD (Hedges’ g) 0.19 [-0.04, 0.42]
GRADE not reported
3 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsWits appraisal (mm)SMD (Hedges’ g) 0.14 [-0.1, 0.38]
GRADE not reported
3 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsANB angle (°)SMD (Hedges’ g) 0.28 [0.03, 0.53]
Low
6 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsFMA angle (°)SMD (Hedges’ g) -0.47 [-0.99, 0.05]
Low
Downgraded: imprecision, inconsistency
4 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsL1–MeGo angle (°)SMD (Hedges’ g) -0.12 [-0.4, 0.15]
GRADE not reported
4 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsIMPA (°)SMD (Hedges’ g) -0.03 [-0.28, 0.22]
Moderate
2 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsSNA angle (°)SMD (Hedges’ g) 0.11 [-0.03, 0.24]
Moderate
6 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsGonial angle (°)SMD (Hedges’ g) -0.59 [-1.9, 0.73]
GRADE not reported
2 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsSNB angle (°)SMD (Hedges’ g) -0.12 [-0.28, 0.04]
Moderate
6 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsSN–MP angle (°)SMD (Hedges’ g) -0.03 [-0.34, 0.28]
GRADE not reported
2 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsU1–NA angle (°)SMD (Hedges’ g) -0.11 [-0.5, 0.39]
GRADE not reported
2 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsU1–SN angle (°)SMD (Hedges’ g) -0.18 [-0.38, 0.01]
GRADE not reported
4 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsU1–NA distance (mm)
Unresolved: the two extractors disagree on this row.
SMD (Hedges’ g) -0.29 [-1.01, 0.44]
Low
2 studies
AI-based cephalometric measurementsManual cephalometric tracings by orthodontists or expert reference standardsSUM–MAN angle (°)
Unresolved: the two extractors disagree on this row.
SMD (Hedges’ g) 0.55 [-0.52, 1.61]
Low
Downgraded: imprecision, inconsistency
3 studies

Included primary studies 37

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Bao 2023
Evaluating the accuracy of automated cephalometric analysis based on artificial intelligence
DOI:10.1186/s12903-023-02881-8
2023this review onlynot statednot extracted yet
Bao 2023
Evaluating the accuracy of automated cephalometric analysis based on artificial intelligence.
PMID:37005593
2023this review onlynot statednot extracted yet
Blum 2023
Evaluation of an artificial intelligence–based algorithm for automated localization of craniofacial landmarks
DOI:10.1007/s00784-023-04978-4
2023this review onlynot statednot extracted yet
Blum 2023
Evaluation of an artificial intelligence-based algorithm for automated localization of craniofacial landmarks.
PMID:37014502
2023this review onlynot statednot extracted yet
Bor 2024
Comparison of AI-assisted cephalometric analysis and orthodontist-performed digital tracing analysis
DOI:10.1186/s40510-024-00539-x
2024this review onlynot statednot extracted yet
Bor 2024
Comparison of AI-assisted cephalometric analysis and orthodontist-performed digital tracing analysis.
PMID:39428414
2024this review onlynot statednot extracted yet
Bulatova 2021
Assessment of automatic cephalometric landmark identification using artificial intelligence
DOI:10.1111/ocr.12542
2021this review onlynot statednot extracted yet
Bulatova 2021
Assessment of automatic cephalometric landmark identification using artificial intelligence.
PMID:34842346
2021this review onlynot statednot extracted yet
Jeon 2021
Comparison of cephalometric measurements between conventional and automatic cephalometric analysis using convolutional neural network
DOI:10.1186/s40510-021-00358-4
2021this review onlynot statednot extracted yet
Jeon 2021
Comparison of cephalometric measurements between conventional and automatic cephalometric analysis using convolutional neural network.
PMID:34056670
2021this review onlynot statednot extracted yet
Katyal 2022
Evaluation of the accuracy and reliability of WebCeph – An artificial intelligence-based online software
DOI:10.25259/apos_138_2021
2022this review onlynot statednot extracted yet
Katyal 2022
matched by author and year (probable)
NRthis review onlynot statednot extracted yet
Khabadze 2024
Comparative Analysis of 3D Cephalometry Provided with Artificial Intelligence and Manual Tracing.
PMID:39594190
2024this review onlynot statednot extracted yet
Kim KH 2025
Evaluation of the clinical utility of lateral cephalometry reconstructed from computed tomography extracted by artificial intelligence
DOI:10.1016/j.jcms.2024.12.004
2025this review onlynot statednot extracted yet
Kim KH 2025
Evaluation of the clinical utility of lateral cephalometry reconstructed from computed tomography extracted by artificial intelligence.
PMID:39658471
2025this review onlynot statednot extracted yet
Kim YH 2021
Influence of the Depth of the Convolutional Neural Networks on an Artificial Intelligence Model for Diagnosis of Orthognathic Surgery.
PMID:33946874
2021this review onlynot statednot extracted yet
Koz 2025
Artificial Intelligence-Supported and App-Aided Cephalometric Analysis: Which One Can We Trust?
PMID:40075806
2025this review onlynot statednot extracted yet
Kunz 2025
Assessment of the quality of different commercial providers using artificial intelligence for automated cephalometric analysis compared to…
DOI:10.1007/s00056-023-00491-1
2023this review onlynot statednot extracted yet
Kunz 2025
Assessment of the quality of different commercial providers using artificial intelligence for automated cephalometric analysis compared to…
PMID:37642657
2025this review onlynot statednot extracted yet
Lee 2023
Commercial artificial intelligence lateral cephalometric analysis: part 2—effects of human examiners on artificial intelligence…
DOI:10.22514/jocpd.2023.087
2023this review onlynot statednot extracted yet
Lee 2023
Commercial artificial intelligence lateral cephalometric analysis: part 2-effects of human examiners on artificial intelligence…
PMID:37997244
2023this review onlynot statednot extracted yet
Mahto 2022
Evaluation of fully automated cephalometric measurements obtained from web-based artificial intelligence driven platform
DOI:10.1186/s12903-022-02170-w
2022this review onlynot statednot extracted yet
Mahto 2022
Evaluation of fully automated cephalometric measurements obtained from web-based artificial intelligence driven platform.
PMID:35440037
2022this review onlynot statednot extracted yet
Mehra 2024
VGG-16 based Deep Learning Approach for Cephalometric Landmark Detection
DOI:10.2174/0118749445338097240923063441
2024this review onlynot statednot extracted yet
Menezes 2023
Assessment of landmark detection in cephalometric radiographs with different conditions of brightness and contrast using the an artificial…
DOI:10.1259/dmfr.20230065
2023this review onlynot statednot extracted yet
Menezes 2023
Assessment of landmark detection in cephalometric radiographs with different conditions of brightness and contrast using the an artificial…
PMID:37869886
2023this review onlynot statednot extracted yet
Mercier 2024
Reliability and accuracy of Artificial intelligence-based software for cephalometric diagnosis. A diagnostic study
DOI:10.1186/s12903-024-05097-6
2024this review onlynot statednot extracted yet
Mercier 2024
Reliability and accuracy of Artificial intelligence-based software for cephalometric diagnosis. A diagnostic study.
PMID:39468520
2024this review onlynot statednot extracted yet
O'Friel 2024
Assessing AudaxCeph®'s cephalometric tracing technology versus a semi-automated approach for analyzing severe Class II and Class III…
PMID:39378572
2024this review onlynot statednot extracted yet
O’Friel 2024
Assessing AudaxCeph®’s cephalometric tracing technology versus a semi-automated approach for analyzing severe Class II and Class III…
DOI:10.1016/j.ortho.2024.100926
2024this review onlynot statednot extracted yet
Panesar 2023
Precision and Accuracy Assessment of Cephalometric Analyses Performed by Deep Learning Artificial Intelligence with and without Human…
DOI:10.3390/app13126921
2023this review onlynot statednot extracted yet
Park 2024
Clinical validity and precision of deep learning-based cone-beam computed tomography automatic landmarking algorithm.
PMID:39371307
2024this review onlynot statednot extracted yet
Ramadan 2022
Convolution neural network based automatic localization of landmarks on lateral x-ray images
DOI:10.1007/s11042-021-11596-3
2022this review onlynot statednot extracted yet
Ye 2023
Is automatic cephalometric software using artificial intelligence better than orthodontist experts in landmark identification?
DOI:10.1186/s12903-023-03188-4
2023this review onlynot statednot extracted yet
Ye 2023
Is automatic cephalometric software using artificial intelligence better than orthodontist experts in landmark identification?
PMID:37422630
2023this review onlynot statednot extracted yet
Zhang 2024
The concept of AI-assisted self-monitoring for skeletal malocclusion
DOI:10.1177/14604582241274511
2024this review onlynot statednot extracted yet
Zhang 2024
The concept of AI-assisted self-monitoring for skeletal malocclusion.
PMID:39120929
2024this review onlynot statednot extracted yet

Review question

ElementPlanned (methods)Found (results)
PopulationPatients (children, adolescents or adults) requiring orthodontic diagnosisPatients undergoing cephalometric analysis (n=22 studies; sample sizes not summarized in the main text)
InterventionAI-based diagnostic methods for cephalometric analysis (machine learning and deep learning models)Commercial and bespoke AI systems (WebCeph, CephX, DentaliQ.ortho, AudaxCeph, RadioCef, NemoCeph; CNN and conventional machine learning) (n=22)
ComparisonManual cephalometric tracings performed by orthodontists or expert reference standardsManual tracing by expert orthodontists or experienced residents (n=22)
OutcomesPrimary: parameter-level cephalometric measurements (e.g., ANB, SNA, SNB, IMPA, FMA, U1-NA, L1-NB) pooled as Hedges' g; secondary, narrative only: diagnostic metrics (sensitivity, specificity, AUC, accuracy, kappa/ICC)16 pooled parameter-level cephalometric measurements (U1-NA angle and mm, L1-NB angle and mm, IMPA, U1-SN, interincisal angle, L1-MeGo, SNA, SNB, FMA, SN-MP, ANB, Wits, gonial angle, SUM-MAN); diagnostic metrics summarized narratively
Study designsAnalytical observational studies, including comparative cross-sectional and diagnostic validation studiesMostly single-centre observational comparisons on 2D lateral cephalograms or CBCT (n=22)
TimingNot specifiedNot specified