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Integration accuracy of digital dental models and 3-dimensional computerized tomography images by sequential point- and surface-based markerless registration

Authors
 Bong Chul Kim  ;  Chae Eun Lee  ;  Sang-Hwy Lee  ;  Choong Kook Yi  ;  Piao Zhengguo  ;  Sang Hoon Kang  ;  Wonse Park 
Citation
 Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology, Vol.110(3) : 370-378, 2010 
Journal Title
 Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology 
ISSN
 1079-2104 
Issue Date
2010
Abstract
OBJECTIVE: The goal of this study was to evaluate the accuracy of the integration of computerized tomography (CT)-based bone models and laser-scanned dental models by sequential point- and surface-based markerless registration to create a digital maxillofacial-dental model. STUDY DESIGN: The integration accuracy was evaluated in normal skulls (group I) and subjects with maxillofacial deformities (group II) by measuring the distance between the integrated models (for group I and II) and between the final integrated model and the laser-scanned original skull model (for group I). RESULTS: The average error ranged between 0 and 0.2 mm without statistically significant difference in the region of maxilla or mandible and in tooth location. CONCLUSIONS: We could confirm that the integration can be made with good accuracy without the aid of fiducial markers for the maxillofacial-dental composite model from the different resolution of CT and dental models.
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/101646
DOI
10.1016/j.tripleo.2010.03.036
Appears in Collections:
1. Journal Papers (연구논문) > 5. Research Institutes (연구소) > Oral Science Research Center (구강과학연구소)
1. Journal Papers (연구논문) > 2. College of Dentistry (치과대학) > Dept. of Advanced General Dentistry (통합치의학과)
1. Journal Papers (연구논문) > 2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실)
Yonsei Authors
박원서(Park, Wonse) ; 이상휘(Lee, Sang Hwy) ; 이채은(Lee, Chae Eun) ; 이충국(Yi, Choong Kook)
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Full Text
http://www.sciencedirect.com/science/article/pii/S1079210410002131
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