Publication: Influence of patient motion on definition of typical cephalometric reference points in digital horizontally scanning cephalometric radiography.
cris.virtual.author-orcid | 0000-0002-7880-0046 | |
cris.virtualsource.author-orcid | 5af8e6e0-0631-4518-9171-d2678356a743 | |
cris.virtualsource.author-orcid | 8b9d9dbd-711a-478a-8309-7b1f80a17a56 | |
cris.virtualsource.author-orcid | 4b7cd945-0529-47a6-aca4-b8f36c3ffe87 | |
datacite.rights | open.access | |
dc.contributor.author | Martin, Kim | |
dc.contributor.author | Katsaros, Christos | |
dc.contributor.author | Brylka, Robert | |
dc.contributor.author | Schwanecke, Ulrich | |
dc.contributor.author | Schulze, Ralf | |
dc.date.accessioned | 2025-03-31T13:30:04Z | |
dc.date.available | 2025-03-31T13:30:04Z | |
dc.date.issued | 2025-03-17 | |
dc.description.abstract | Background The aim of this study was to investigate the effect of defined head-motion during x-ray exposure on the identification accuracy of typical cephalometric reference points which form the basis of treatment planning.Methods By means of a dry adult human skull and a precise motion simulation system digital Cephs are acquired while certain predefined movement patterns (shift, tilt and nodding with a motion amplitude from 5 - 50 mm) of the skull were executed. They represent the movements of children and adolescents, the main group for cephalometric radiographs.The scanning time was 9.4 s per Ceph. 10 typical landmark points of cephalometric analysis were identified by 20 observers on each Ceph twice. Using a non-motion image (Ceph0) as reference, displacement was computed as vectors relative to this image. Commonly used angles and vertical and horizontal distances were calculated.Results Both inter-rater as well as intra-rater-reproducibility were perfect. There was very little change in the vertical distance N-Me, in contrast to the horizontal distance S-N which showed a large variation. So patient motion parallel to the scanning direction of the fan-beam-detector unit, heavily influence distances parallel to this direction. The ANB angle and the Maxillo-Mandibular Plane Angle (ANS-PNS to Me-Go) only varied by about 1-2°, but large enough to greatly influence a treatment plan.Conclusions The study observed a severe influence on reference point location of motion patterns parallel to the scanning direction and also on clinically relevant distances parallel to the scanning direction. Therefore, we recommend to use a horizontal scanning direction, to minimise scanning time to a minimum, or to prefer a one-shot technique if possible. Future advancements in this field may include the integration of artificial intelligence or algorithms for the purpose of motion correction. | |
dc.description.sponsorship | School of Dental Medicine, Clinic of Oral Surgery and Stomatology | |
dc.description.sponsorship | School of Dental Medicine, Clinic of Orthodontics | |
dc.identifier.doi | 10.48620/86843 | |
dc.identifier.pmid | 40098004 | |
dc.identifier.publisherDOI | 10.1186/s13005-025-00491-z | |
dc.identifier.uri | https://boris-portal.unibe.ch/handle/20.500.12422/207733 | |
dc.language.iso | en | |
dc.publisher | BioMed Central | |
dc.relation.ispartof | Head and Face Medicine | |
dc.relation.issn | 1746-160X | |
dc.relation.url | https://doi.org/10.48620/88555 | |
dc.subject | Cephalometric analysis | |
dc.subject | Diagnostic imaging | |
dc.subject | Digital cephalometric radiography | |
dc.subject | Head movement | |
dc.subject | Scanning technique | |
dc.subject.ddc | 600 - Technology::610 - Medicine & health | |
dc.title | Influence of patient motion on definition of typical cephalometric reference points in digital horizontally scanning cephalometric radiography. | |
dc.type | article | |
dspace.entity.type | Publication | |
dspace.file.type | text | |
oaire.citation.issue | 1 | |
oaire.citation.startPage | 18 | |
oaire.citation.volume | 21 | |
oairecerif.author.affiliation | School of Dental Medicine, Clinic of Oral Surgery and Stomatology | |
oairecerif.author.affiliation | School of Dental Medicine, Clinic of Orthodontics | |
oairecerif.author.affiliation | School of Dental Medicine, Clinic of Oral Surgery and Stomatology | |
oairecerif.author.affiliation2 | School of Dental Medicine | |
unibe.contributor.role | author | |
unibe.contributor.role | author | |
unibe.contributor.role | author | |
unibe.contributor.role | author | |
unibe.contributor.role | author | |
unibe.description.ispublished | pub | |
unibe.refereed | true | |
unibe.subtype.article | journal |
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