지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Objectives: The purpose of this study is to evaluate the accuracy of the digital models from Cone beam computed
tomography (CBCT) scans of orthodontic diagnostic models by comparing the Digital Imaging & Communication in
Medicine (DICOM) file to Stereolithography (STL) conversion data obtained by various voxel sized CBCT machines
with the digital model obtained by a 3D optical extraoral scanner.
Materials and Methods: Three orthodontic diagnostic models were scanned with a 3D optical scanner and stored
as STL file data. The three models were scanned with the 5 modes which were Object scan (100 μm), 300, 400 μm
of RAYSCAN α+ and 300, 390 μm of Alphard 3030. The DICOM files were converted to STL file data. For each
orthodontic model, two digital models obtained by CBCT and optical scanner were paired, and GOM inspect software
was used to superimpose and obtain the deviation between two digital models. One way ANOVA test was performed
to determine whether there is a statistical difference in the mean value of deviations between digital models by the 5
protocols.
Results: In three diagnostic models, the mean values of the deviations between the digital model of the Object scan
(100 μm) and the digital model of 3D optical scanner were the smallest in comparison with other image protocols and
there was a statistically significant difference (p<0.001). The mean values of the deviations were in the range of 0.0967
~0.1022 mm. On the other hand, deviations of STL data from 400 μm of RAYSCAN α+ showed the largest mean
value from 0.4007 to 0.4534 mm.
Conclusions: The STL file data of the Object scan (100 μm) of RAYSCAN α+ is more accurate than those of large
voxel sized protocols of CBCT. It shows the availability as an orthodontic digital model.
목차
등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
De Luca Canto G / 2015 / Intra-arch dimensional measurement validity of laserscanned digital dental models compared with the original plaster models: a systematic review / Orthod Craniofac Res 18(2):65~76
Swennen GR / 2009 / A cone-beam computed tomography triple scan procedure to obtain a three-dimensional augmented virtual skull model appropriate for orthognathic surgery planning / J Craniofac Surg 20(2):297~307
Sousa MVS / 2012 / Accuracy and reproducibility of 3-dimensional digital model measurements / Am J Orthod Dentofacial Orthop 142(2):269~273
Hassan WNW / 2016 / Assessing agreement in measurements of orthodontic study models: Digital caliper on plaster models vs 3-dimensional software on models scanned by structured-light scanner / Am J Orthod Dentofacial Orthop 150(5):886~895
김종은 / 2016 / 임플란트 가이드 수술을 위한 Planning 방식에 대한 고찰 / 대한치과의사협회지 54(2):108~122
Swennen GR / 2009 / A cone-beam computed tomography triple scan procedure to obtain a three-dimensional augmented virtual skull model appropriate for orthognathic surgery planning / J Craniofac Surg 20(2):297~307
Sousa MVS / 2012 / Accuracy and reproducibility of 3-dimensional digital model measurements / Am J Orthod Dentofacial Orthop 142(2):269~273
Hassan WNW / 2016 / Assessing agreement in measurements of orthodontic study models: Digital caliper on plaster models vs 3-dimensional software on models scanned by structured-light scanner / Am J Orthod Dentofacial Orthop 150(5):886~895
김종은 / 2016 / 임플란트 가이드 수술을 위한 Planning 방식에 대한 고찰 / 대한치과의사협회지 54(2):108~122
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