Anatomically-Driven Soft-Tissue Simulation Strategy for Cranio-Maxillofacial Surgery Using Facial Muscle Template Model

Kim, Hyung Min; Jürgens, Philipp; Nolte, Lutz-Peter; Reyes, Mauricio (2010). Anatomically-Driven Soft-Tissue Simulation Strategy for Cranio-Maxillofacial Surgery Using Facial Muscle Template Model. In: Jiang, Tianzi; Navab, Nassir; Pluim, Josien; Viergever, Max (eds.) Medical Image Computing and Computer-Assisted Intervention -- MICCAI 2010. Lecture Notes in Computer Science: Vol. 6361 (pp. 61-68). Heidelberg: Springer 10.1007/978-3-642-15705-9_8

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We propose a computationally efficient and biomechanically relevant soft-tissue simulation method for cranio-maxillofacial (CMF) surgery. A template-based facial muscle reconstruction was introduced to minimize the efforts on preparing a patient-specific model. A transversely isotropic mass-tensor model (MTM) was adopted to realize the effect of directional property of facial muscles in reasonable computation time. Additionally, sliding contact around teeth and mucosa was considered for more realistic simulation. Retrospective validation study with postoperative scan of a real patient showed that there were considerable improvements in simulation accuracy by incorporating template-based facial muscle anatomy and sliding contact.

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