Development and clinical application of a supportive system for the diagnoses of jaw deformities using a cognitive engineering approach and ontological theory

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A cognitive engineering method for analyzing dentoalveolar morphology using Fourier descriptors was developed. This method attained quantitative evaluations of the dentoalveolar morphology and enabled to apply to evaluation of other craniofacial structures. Furthermore, morphological ontology of jaw deformities was built preliminarily. The construction of a new database system implemented jaw deformities ontology using Fourier descriptors will be able to provide clinical efficiency for accurate diagnoses of facially asymmetric patients.