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West China Journal of Stomatology ; (6): 174-179, 2019.
Artigo em Chinês | WPRIM | ID: wpr-772679

RESUMO

OBJECTIVE@#To evaluate and analyze the accuracy of three-dimensional camera system acquisition based on stereophotography for the photographic acquisition of images of facial deformities.@*METHODS@#3D digital models of 45 waxen facial models of patients with facial deformities were obtained via a 3D camera system based on stereophotography. A total of 19 feature lines were measured on each 3D model by using the software. The measurements taken by the coordinate-measuring machine were accepted as standard values. Statistical analysis was performed to evaluate the accuracy of the system and the corresponding factors.@*RESULTS@#Statistical analysis results showed that the measured values of the characteristic distance obtained by 3D camera system were statistically different from the standard values (P0.05). The facial regions significantly influenced measuring error (P0.05). The middle facial regions had significant difference with bilateral facial regions on the percentage of measurement values (P0.05).@*CONCLUSIONS@#The accuracy of 3D camera system based on stereophotography for the photographic acquisition of facial deformities are influenced by the morphology of the facial deformities and facial regions. Moreover, the measuring error is acceptable in clinical settings.


Assuntos
Humanos , Anormalidades Craniofaciais , Diagnóstico por Imagem , Imageamento Tridimensional , Reprodutibilidade dos Testes , Software
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