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Deformation of facial model for complete denture prosthesis using ARAP group method and elastic properties

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Abstract

With the development of 3D printing and computer graphics technology, mouth rehabilitation has increasingly adopted digital methods. This research proposes a new method to transform the appearance of facial model after complete denture prosthesis. A feature template with few feature points is first constructed according to the facial muscle anatomy and facial deformation after complete denture prosthesis. Next, the traditional as-rigid-as-possible (ARAP) method is optimised by clustering based on facial muscles. The optimised ARAP method is then used for real-time and interactive simulations. Finally, by classifying the degrees of elasticity in the model with additional weights, the simulation can be customised to the skin of individual patients. Different degrees of elastic deformation and post-operative models are superimposed for match analysis. Compared with our previous study, the error is reduced by 24.05%. Results show that our method can deform facial models accurately and efficiently.

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Acknowledgements

This study was supported by the National Natural Science Foundation of China (51205192, 81271181), Jiangsu Key Technology Support Program (No. BE2014009-3), the Natural Science Foundation of Jiangsu Province, China (No. BK20161487) and Six talent peaks project in Jiangsu Province, China (No. GDZB-034).

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Authors and Affiliations

  1. College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, 29 Yudao Street, Qinhuai Dist, Nanjing, 210016, People’s Republic of China

    Cheng Cheng, Xiaosheng Cheng, Ning Dai & Xiaotong Jiang

  2. Research Centre of Engineering and Technology for Computerized Dentistry, Ministry of Health, Peking University School and Hospital of Stomatology, Beijing, 100081, People’s Republic of China

    Yuchun Sun & Weiwei Li

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  1. Cheng Cheng
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  2. Xiaosheng Cheng
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  3. Ning Dai
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  4. Yuchun Sun
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  5. Xiaotong Jiang
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  6. Weiwei Li
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Correspondence to Ning Dai or Yuchun Sun.

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Cheng, C., Cheng, X., Dai, N. et al. Deformation of facial model for complete denture prosthesis using ARAP group method and elastic properties. Med Biol Eng Comput 55, 1635–1647 (2017). https://doi.org/10.1007/s11517-017-1626-x

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  • DOI: https://doi.org/10.1007/s11517-017-1626-x

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