Evidence map›Paper›PMID 30423256›Full record

SynthesisThe Angle orthodontist2019

Reliability of different three-dimensional cephalometric landmarks in cone-beam computed tomography : A systematic review.

Alycia Sam, Kris Currie, Heesoo Oh, Carlos Flores-Mir, Manuel Lagravére-Vich

Abstract readSystematic Review
In one paragraph

Synthesis in The Angle orthodontist, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 5 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

37 citing papers in PubMed, 5 syntheses or guidelines pooled it.

  1. Pooled it
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  6. Are the results of the Wits appraisal clinically interchangeable when evaluating 2D and 3D images? : A CBCT-dataset method-comparison study.Journal of orofacial orthopedics = Fortschritte der Kieferorthopadie : Organ/official journal Deutsche Gesellschaft fur Kieferorthopadie · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Alycia Sam
Kris Currie
Heesoo Oh
Carlos Flores-Mir
Manuel Lagravére-Vich

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesConventional two-dimensional (2D) cephalometric radiography is an integral part of orthodontic patient diagnosis and treatment planning. One must be mindful of its limitations as it indeed is a 2D representation of a vaster three-dimensional (3D) object. Issues with projection errors, landmark identification, and measurement inaccuracies impose significant limitations, which may now be overcome with the advent of cone-beam computed tomography (CBCT). A systematic review of the reliability of different 3D cephalometric landmarks in CBCT imaging was conducted. MATERIALS AND

methodsElectronic database searches were administered until October 2017 using PubMed, MEDLINE via OvidSP, EBMR and EMBASE via OvidSP, Scopus, and Web of Science. Google Scholar was used as an adjunctive search tool.

resultsThirteen articles considering CBCT scans of human subjects from preexisting data sets were selected and reviewed. Most of the studies had methodological limitations and were of moderate quality. Because of their heterogeneity, key data from each could not be combined and were reported qualitatively. Overall, in 3D, midsagittal plane landmarks demonstrated greater reliability compared with bilateral landmarks. A minimum number of dental landmarks were reported, although most were recommended for use.

conclusionsFurther research is required to evaluate the reliability of 3D cephalometric landmarks when evaluating 3D craniofacial complexes.

Indexed as

Anatomic LandmarksCephalometryCone-Beam Computed TomographyHumansImaging, Three-DimensionalReproducibility of ResultsCephalometricsCone-beam computed tomographyReliability

Identifiers

PMID30423256
PMCPMC8120873

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.