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[Precision validation of 3-D reconstruction of the craniofacial hard tissues based on 2-D digital radiograph]
Yao-pu Feng1, Hong Zhou2, Pei-fang Zhai3
1Department of Orthodontics, Hospital of Stomatology of Baoji City. Baoji 721001, China.
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.
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