Digital Model Simulation Technology for Ear Reconstruction of Microtia with Craniofacial Asymmetry

Craniofacial asymmetry is often observed in microtia patients, duing to the accompanied craniofacial microsomia deformity, such as mandibular dysplasia and/or depression of the mastoid region, which makes it difficult to obtain symmetrical results in ear reconstruction [1]. In the process of reconstruction, both ear location and framework fabrication are interfered by the asymmetry. Mandibular hypoplasia and the heterotopic residual ear can not be regarded as an appropriate locating reference, which poses difficulties to the surgeon when determining the location for the reconstructed ear.

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