Browse

Evaluation of dental and basal arch forms using cone-beam CT and 3D virtual models of normal occlusion

Cited 0 time in Web of Science Cited 0 time in Scopus
Authors
Bayome, Mohamed; Park, Jae Hyun; Han, Seong Ho; Baek, Seung-Hak; Sameshima, Glenn T.; Kook, Yoon-Ah
Issue Date
2013-05
Publisher
Australian Society of Orthodontists
Citation
Australian orthodontic journal, Vol.29 No.1, pp. 43-51
Keywords
의약학
Abstract
Objectives: To evaluate the relationship between the mandibular dental and basal arches using CBCT, and to assess the correlation between basal arch dimensions derived from CBCT and 3-dimensional (3D) virtual models in a cohort sample exhibiting normal occlusions.
Methods: The facial axis (FA) and root centre (RC) points of mandibular teeth were identified on 32 CBCT images. FA and WALA points were digitised on 3D models of 28 mandibular casts from the same sample. The relationships between dental and basal arch dimensions, and between the two basal depth dimensions derived from RC and WALA points were statistically assessed by Pearson’s correlation.
Results: Strong correlations were found between dental and basal intercanine and intermolar arch widths. Also, the basal intercanine width showed a moderate correlation with dental intermolar width and depth. The basal intercanine and intermolar widths measured on 3D models showed moderate correlations with those measurements on CBCT, whereas the basal canine and molar depths showed no correlations.
Conclusions: The dental and basal anterior and posterior arch widths were strongly correlated in normal occlusion. No correlations were found between the arch depths measured from WALA points and RC points. Hence, RC points may represent more useable landmarks compared to WALA points in the evaluation of basal arch forms. It is recommended that the relationship between the dental and basal arches is evaluated during treatment planning in order to improve arch co-ordination.
ISSN
0587-3908
Language
English
URI
http://hdl.handle.net/10371/92585
Files in This Item:
There are no files associated with this item.
Appears in Collections:
College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
  • mendeley

Items in S-Space are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse