Precision validation of 3-D reconstruction of the craniofacial hard tissues based on 2-D digital radiograph

Abstract

Abstract: PURPOSE: In this study, we validated the precision of 3-D craniofacial reconstruction of hard tissues based on 2-D digital cephalometric radiograph, in order to increase the level of orthognathic diagnosis and treatment, and promote communication between doctors and patients. METHODS: Deformation modeling based on 2-D digital radiograph and CT modeling was performed in 7 volunteers. 64 items were measured which described craniofacial hard tissue structure, intuitive overlapping and objective analysis were conducted. SPSS 17.0 software package was used for paired t test. RESULTS: 58 measurement items were not statistically different. Deformation modeling and CT modeling of the consistency was very high. CONCLUSIONS: Deformation modeling based on 2-D digital radiograph of craniofacial hard tissues is accurate and reliable, and basic deviation was within the allowed range. This 3-D reconstruction system could be used in clinic for diagnosis and operation simulation.

Key words: Digital cephalometric radiograph, 3D reconstruction, Precision, Deformation modeling, CT modeling

CLC Number:

R783.5

FENG Yao-pu, ZHOU Hong, ZHAI Pei-fang, ZHANG Yan-ning, SUN Lin-lin. Precision validation of 3-D reconstruction of the craniofacial hard tissues based on 2-D digital radiograph[J]. Shanghai Journal of Stomatology, 2016, 25(2): 181-186.

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