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Dental measurements and Bolton index reliability and accuracy obtained from 2D digital, 3D segmented CBCT, and 3d intraoral laser scanner

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Dental measurements and Bolton index reliability and accuracy obtained from 2D digital, 3D segmented CBCT, and 3d intraoral laser scanner

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dc.contributor.author San José, Verónica es
dc.contributor.author Bellot Arcís, Carlos es
dc.contributor.author Tarazona Álvarez, Beatriz es
dc.contributor.author Zamora Martínez, Natalia es
dc.contributor.author O Lagravère, Manuel es
dc.contributor.author Paredes Gallardo, Vanessa es
dc.date.accessioned 2018-02-28T11:30:45Z
dc.date.available 2018-02-28T11:30:45Z
dc.date.issued 2017 es
dc.identifier.citation San José, Verónica ; Bellot Arcís, Carlos ; Tarazona Álvarez, Beatriz ; Zamora Martínez, Natalia ; O Lagravère, Manuel ; Paredes Gallardo, Vanessa. Dental measurements and Bolton index reliability and accuracy obtained from 2D digital, 3D segmented CBCT, and 3d intraoral laser scanner. En: Journal of Clinical and Experimental Dentistry, 9 12 2017: 1466-1473 es
dc.identifier.uri http://hdl.handle.net/10550/65094
dc.description.abstract To compare the reliability and accuracy of direct and indirect dental measurements derived from two types of 3D virtual models: generated by intraoral laser scanning (ILS) and segmented cone beam computed tomography (CBCT), comparing these with a 2D digital model. One hundred patients were selected. All patients? records included initial plaster models, an intraoral scan and a CBCT. Patients´ dental arches were scanned with the iTero® intraoral scanner while the CBCTs were segmented to create three-dimensional models. To obtain 2D digital models, plaster models were scanned using a conventional 2D scanner. When digital models had been obtained using these three methods, direct dental measurements were measured and indirect measurements were calculated. Differences between methods were assessed by means of paired t-tests and regression models. Intra and inter-observer error were analyzed using Dahlberg´s d and coefficients of variation. Intraobserver and interobserver error for the ILS model was less than 0.44 mm while for segmented CBCT models, the error was less than 0.97 mm. ILS models provided statistically and clinically acceptable accuracy for all dental measurements, while CBCT models showed a tendency to underestimate measurements in the lower arch, although within the limits of clinical acceptability. ILS and CBCT segmented models are both reliable and accurate for dental measurements. Integration of ILS with CBCT scans would get dental and skeletal information altogether. es
dc.title Dental measurements and Bolton index reliability and accuracy obtained from 2D digital, 3D segmented CBCT, and 3d intraoral laser scanner es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.54428 es
dc.type.hasVersion VoR es_ES

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