Automatic 3D dense phenotyping provides reliable and accurate shape quantification of the human mandible
Abstract Automatic craniomaxillofacial (CMF) three dimensional (3D) dense phenotyping promises quantification of the complete CMF shape compared to the limiting use of sparse landmarks in classical phenotyping. This study assesses the accuracy and reliability of this new approach on the human mandib...
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Nature Portfolio
2021
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oai:doaj.org-article:85aa76cc5ee54ec7836bd71df240f60a2021-12-02T17:32:58ZAutomatic 3D dense phenotyping provides reliable and accurate shape quantification of the human mandible10.1038/s41598-021-88095-w2045-2322https://doaj.org/article/85aa76cc5ee54ec7836bd71df240f60a2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88095-whttps://doaj.org/toc/2045-2322Abstract Automatic craniomaxillofacial (CMF) three dimensional (3D) dense phenotyping promises quantification of the complete CMF shape compared to the limiting use of sparse landmarks in classical phenotyping. This study assesses the accuracy and reliability of this new approach on the human mandible. Classic and automatic phenotyping techniques were applied on 30 unaltered and 20 operated human mandibles. Seven observers indicated 26 anatomical landmarks on each mandible three times. All mandibles were subjected to three rounds of automatic phenotyping using Meshmonk. The toolbox performed non-rigid surface registration of a template mandibular mesh consisting of 17,415 quasi landmarks on each target mandible and the quasi landmarks corresponding to the 26 anatomical locations of interest were identified. Repeated-measures reliability was assessed using root mean square (RMS) distances of repeated landmark indications to their centroid. Automatic phenotyping showed very low RMS distances confirming excellent repeated-measures reliability. The average Euclidean distance between manual and corresponding automatic landmarks was 1.40 mm for the unaltered and 1.76 mm for the operated sample. Centroid sizes from the automatic and manual shape configurations were highly similar with intraclass correlation coefficients (ICC) of > 0.99. Reproducibility coefficients for centroid size were < 2 mm, accounting for < 1% of the total variability of the centroid size of the mandibles in this sample. ICC’s for the multivariate set of 325 interlandmark distances were all > 0.90 indicating again high similarity between shapes quantified by classic or automatic phenotyping. Combined, these findings established high accuracy and repeated-measures reliability of the automatic approach. 3D dense CMF phenotyping of the human mandible using the Meshmonk toolbox introduces a novel improvement in quantifying CMF shape.Pieter-Jan VerhelstH. MatthewsL. VerstraeteF. Van der CruyssenD. MulierT. M. CroonenborghsO. Da CostaM. SmeetsS. FieuwsE. ShaheenR. JacobsP. ClaesC. PolitisH. PeetersNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021) |
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DOAJ |
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EN |
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Medicine R Science Q |
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Medicine R Science Q Pieter-Jan Verhelst H. Matthews L. Verstraete F. Van der Cruyssen D. Mulier T. M. Croonenborghs O. Da Costa M. Smeets S. Fieuws E. Shaheen R. Jacobs P. Claes C. Politis H. Peeters Automatic 3D dense phenotyping provides reliable and accurate shape quantification of the human mandible |
| description |
Abstract Automatic craniomaxillofacial (CMF) three dimensional (3D) dense phenotyping promises quantification of the complete CMF shape compared to the limiting use of sparse landmarks in classical phenotyping. This study assesses the accuracy and reliability of this new approach on the human mandible. Classic and automatic phenotyping techniques were applied on 30 unaltered and 20 operated human mandibles. Seven observers indicated 26 anatomical landmarks on each mandible three times. All mandibles were subjected to three rounds of automatic phenotyping using Meshmonk. The toolbox performed non-rigid surface registration of a template mandibular mesh consisting of 17,415 quasi landmarks on each target mandible and the quasi landmarks corresponding to the 26 anatomical locations of interest were identified. Repeated-measures reliability was assessed using root mean square (RMS) distances of repeated landmark indications to their centroid. Automatic phenotyping showed very low RMS distances confirming excellent repeated-measures reliability. The average Euclidean distance between manual and corresponding automatic landmarks was 1.40 mm for the unaltered and 1.76 mm for the operated sample. Centroid sizes from the automatic and manual shape configurations were highly similar with intraclass correlation coefficients (ICC) of > 0.99. Reproducibility coefficients for centroid size were < 2 mm, accounting for < 1% of the total variability of the centroid size of the mandibles in this sample. ICC’s for the multivariate set of 325 interlandmark distances were all > 0.90 indicating again high similarity between shapes quantified by classic or automatic phenotyping. Combined, these findings established high accuracy and repeated-measures reliability of the automatic approach. 3D dense CMF phenotyping of the human mandible using the Meshmonk toolbox introduces a novel improvement in quantifying CMF shape. |
| format |
article |
| author |
Pieter-Jan Verhelst H. Matthews L. Verstraete F. Van der Cruyssen D. Mulier T. M. Croonenborghs O. Da Costa M. Smeets S. Fieuws E. Shaheen R. Jacobs P. Claes C. Politis H. Peeters |
| author_facet |
Pieter-Jan Verhelst H. Matthews L. Verstraete F. Van der Cruyssen D. Mulier T. M. Croonenborghs O. Da Costa M. Smeets S. Fieuws E. Shaheen R. Jacobs P. Claes C. Politis H. Peeters |
| author_sort |
Pieter-Jan Verhelst |
| title |
Automatic 3D dense phenotyping provides reliable and accurate shape quantification of the human mandible |
| title_short |
Automatic 3D dense phenotyping provides reliable and accurate shape quantification of the human mandible |
| title_full |
Automatic 3D dense phenotyping provides reliable and accurate shape quantification of the human mandible |
| title_fullStr |
Automatic 3D dense phenotyping provides reliable and accurate shape quantification of the human mandible |
| title_full_unstemmed |
Automatic 3D dense phenotyping provides reliable and accurate shape quantification of the human mandible |
| title_sort |
automatic 3d dense phenotyping provides reliable and accurate shape quantification of the human mandible |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/85aa76cc5ee54ec7836bd71df240f60a |
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