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DC Field | Value | Language |
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dc.contributor.advisor | Alizae Marny Fadzlin Syed Mohamed, Dr. | |
dc.contributor.author | Nes Nawi (P72175) | |
dc.date.accessioned | 2023-09-12T04:06:58Z | - |
dc.date.available | 2023-09-12T04:06:58Z | - |
dc.date.issued | 2016-08-08 | |
dc.identifier.other | ukmvital:84763 | |
dc.identifier.uri | https://ptsldigital.ukm.my/jspui/handle/123456789/457475 | - |
dc.description | Three-dimensional (3D) digital models can be generated from Rexcan CS+ scanner and has potential to replace the conventional plaster models, but their reliability and validity is still not proven. Furthermore, no studies had been used study models of Down Syndrome (DS) in the reliability and validity test of 3D measurements. The aims of this study were to determine the reliability and validity of tooth size-arch length analysis measurements of 3D digital models and to compare to the manual measurement of the plaster models of DS subject. One hundred and eleven (111) 3D digital models of DS subject were generated from Rexcan CS+ scanner. Manual and digital measurements of the mesio-distal tooth width, transverse dimension and arch length were performed using Digital Caliper (Tuten, Germany) on plaster models and Geomagic Software on digital models. Significances between manual and digital measurements were determined by the Independent t-test. Pearson’s correlation was used to analyze the correlation between manual and digital measurements. No statistically significant differences (p > 0.05) were found in comparisons of all tooth size-arch length measurement with the manual and digital methods. All parameters showed a significant correlation coefficient between both measurements; mesio-distal tooth width of maxilla (r ≥ 0.945: p < 0.01) and mandible (r ≥ 0.834: p < 0.01), intercanine width (r ≥ 0.997: p < 0.01), inter first premolar width (r ≥ 0.997: p < 0.01), inter second premolar width (r = 1.00: p < 0.01), inter first molar width (r ≥ 0.996: p < 0.01), arch length (r ≥ 0.972: p < 0.01) and space analysis (r ≥ 0.978: p < 0.01). In conclusion, the measurements of tooth size-arch length of 3D models of DS subjects are reliable and valid.,Doctor in Clinical Dentistry (Orthodontic) | |
dc.language.iso | eng | |
dc.publisher | UKM, Kuala Lumpur | |
dc.relation | Faculty of Dentistry / Fakulti Pergigian | |
dc.rights | UKM | |
dc.subject | Tooth size-arch | |
dc.subject | Down Syndrome (DS) | |
dc.subject | Plaster models | |
dc.subject | Dissertations, Academic -- Malaysia | |
dc.subject | Universiti Kebangsaan Malaysia -- Dissertations | |
dc.title | Reliability and validity of down syndrome tooth arch parameter measurements between computerized and conventional methods | |
dc.type | theses | |
dc.format.pages | 82 | |
dc.identifier.callno | WU20.5.N457r 2016 9 tesis | |
Appears in Collections: | Faculty of Dentistry / Fakulti Pergigian |
Files in This Item:
File | Description | Size | Format | |
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ukmvital_84763+Source01+Source010.PDF Restricted Access | 226.29 kB | Adobe PDF | View/Open |
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